gosa-si/gosa-si-server

   1 #!/usr/bin/perl
   2 #===============================================================================
   3 #
   4 #         FILE:  gosa-sd
   5 #
   6 #        USAGE:  ./gosa-sd
   7 #
   8 #  DESCRIPTION:
   9 #
  10 #      OPTIONS:  ---
  11 # REQUIREMENTS:  libconfig-inifiles-perl libcrypt-rijndael-perl libxml-simple-perl
  12 #                libdata-dumper-simple-perl libdbd-sqlite3-perl libnet-ldap-perl
  13 #                libpoe-perl
  14 #         BUGS:  ---
  15 #        NOTES:
  16 #       AUTHOR:   (Andreas Rettenberger), <rettenberger@gonicus.de>
  17 #      COMPANY:
  18 #      VERSION:  1.0
  19 #      CREATED:  12.09.2007 08:54:41 CEST
  20 #     REVISION:  ---
  21 #===============================================================================
  22
  23
  24 # TODO
  25 #
  26 # max_children wird momentan nicht mehr verwendet, jede eingehende nachricht bekommt ein eigenes POE child
  27
  28 use strict;
  29 use warnings;
  30 use Getopt::Long;
  31 use Config::IniFiles;
  32 use POSIX;
  33
  34 use Fcntl;
  35 use IO::Socket::INET;
  36 use IO::Handle;
  37 use IO::Select;
  38 use Symbol qw(qualify_to_ref);
  39 use Crypt::Rijndael;
  40 use MIME::Base64;
  41 use Digest::MD5  qw(md5 md5_hex md5_base64);
  42 use XML::Simple;
  43 use Data::Dumper;
  44 use Sys::Syslog qw( :DEFAULT setlogsock);
  45 use Cwd;
  46 use File::Spec;
  47 use File::Basename;
  48 use File::Find;
  49 use File::Copy;
  50 use File::Path;
  51 use GOSA::DBsqlite;
  52 use GOSA::GosaSupportDaemon;
  53 use POE qw(Component::Server::TCP Wheel::Run Filter::Reference);
  54 use Net::LDAP;
  55 use Net::LDAP::Util qw(:escape);
  56 use Time::HiRes qw( usleep);
  57 use DateTime;
  58
  59 my $modules_path = "/usr/lib/gosa-si/modules";
  60 use lib "/usr/lib/gosa-si/modules";
  61
  62 # revision number of server and program name
  63 my $server_version = '$HeadURL: https://oss.gonicus.de/repositories/gosa/trunk/gosa-si/gosa-si-server $:$Rev: 10826 $';
  64 my $server_headURL;
  65 my $server_revision;
  66 my $server_status;
  67 our $prg= basename($0);
  68
  69 our $global_kernel;
  70 my ($foreground, $ping_timeout);
  71 my ($server);
  72 my ($gosa_server, $job_queue_timeout, $job_queue_loop_delay);
  73 my ($messaging_db_loop_delay);
  74 my ($known_modules);
  75 my ($procid, $pid);
  76 my ($arp_fifo);
  77 my ($xml);
  78 my $sources_list;
  79 my $max_clients;
  80 my %repo_files=();
  81 my $repo_path;
  82 my %repo_dirs=();
  83 # variables declared in config file are always set to 'our'
  84 our (%cfg_defaults, $log_file, $pid_file,
  85     $server_ip, $server_port, $ClientPackages_key,
  86     $arp_activ, $gosa_unit_tag,
  87     $GosaPackages_key, $gosa_timeout,
  88     $foreign_server_string, $server_domain, $ServerPackages_key, $foreign_servers_register_delay,
  89     $wake_on_lan_passwd, $job_synchronization, $modified_jobs_loop_delay,
  90     $arp_enabled, $arp_interface,
  91     $opsi_enabled, $opsi_server, $opsi_admin, $opsi_password,
  92 );
  93
  94 # additional variable which should be globaly accessable
  95 our $server_address;
  96 our $server_mac_address;
  97 our $gosa_address;
  98 our $no_arp;
  99 our $verbose;
 100 our $forground;
 101 our $cfg_file;
 102 our ($ldap_uri, $ldap_base, $ldap_admin_dn, $ldap_admin_password, $ldap_server_dn);
 103
 104 # specifies the verbosity of the daemon_log
 105 $verbose = 0 ;
 106
 107 # if foreground is not null, script will be not forked to background
 108 $foreground = 0 ;
 109
 110 # specifies the timeout seconds while checking the online status of a registrating client
 111 $ping_timeout = 5;
 112
 113 $no_arp = 0;
 114 my $packages_list_under_construction = "/tmp/packages_list_creation_in_progress";
 115 my @packages_list_statements;
 116 my $watch_for_new_jobs_in_progress = 0;
 117
 118 # holds all incoming decrypted messages
 119 our $incoming_db;
 120 our $incoming_tn = 'incoming';
 121 my $incoming_file_name;
 122 my @incoming_col_names = ("id INTEGER PRIMARY KEY",
 123         "timestamp DEFAULT 'none'",
 124         "headertag DEFAULT 'none'",
 125                 "targettag DEFAULT 'none'",
 126         "xmlmessage DEFAULT 'none'",
 127         "module DEFAULT 'none'",
 128         "sessionid DEFAULT '0'",
 129         );
 130
 131 # holds all gosa jobs
 132 our $job_db;
 133 our $job_queue_tn = 'jobs';
 134 my $job_queue_file_name;
 135 my @job_queue_col_names = ("id INTEGER PRIMARY KEY",
 136                 "timestamp DEFAULT 'none'",
 137                 "status DEFAULT 'none'",
 138                 "result DEFAULT 'none'",
 139                 "progress DEFAULT 'none'",
 140         "headertag DEFAULT 'none'",
 141                 "targettag DEFAULT 'none'",
 142                 "xmlmessage DEFAULT 'none'",
 143                 "macaddress DEFAULT 'none'",
 144                 "plainname DEFAULT 'none'",
 145         "siserver DEFAULT 'none'",
 146         "modified DEFAULT '0'",
 147                 );
 148
 149 # holds all other gosa-si-server
 150 our $known_server_db;
 151 our $known_server_tn = "known_server";
 152 my $known_server_file_name;
 153 my @known_server_col_names = ("hostname", "status", "hostkey", "timestamp");
 154
 155 # holds all registrated clients
 156 our $known_clients_db;
 157 our $known_clients_tn = "known_clients";
 158 my $known_clients_file_name;
 159 my @known_clients_col_names = ("hostname", "status", "hostkey", "timestamp", "macaddress", "events", "keylifetime");
 160
 161 # holds all registered clients at a foreign server
 162 our $foreign_clients_db;
 163 our $foreign_clients_tn = "foreign_clients";
 164 my $foreign_clients_file_name;
 165 my @foreign_clients_col_names = ("hostname", "macaddress", "regserver", "timestamp");
 166
 167 # holds all logged in user at each client
 168 our $login_users_db;
 169 our $login_users_tn = "login_users";
 170 my $login_users_file_name;
 171 my @login_users_col_names = ("client", "user", "timestamp");
 172
 173 # holds all fai server, the debian release and tag
 174 our $fai_server_db;
 175 our $fai_server_tn = "fai_server";
 176 my $fai_server_file_name;
 177 our @fai_server_col_names = ("timestamp", "server", "release", "sections", "tag");
 178
 179 our $fai_release_db;
 180 our $fai_release_tn = "fai_release";
 181 my $fai_release_file_name;
 182 our @fai_release_col_names = ("timestamp", "release", "class", "type", "state");
 183
 184 # holds all packages available from different repositories
 185 our $packages_list_db;
 186 our $packages_list_tn = "packages_list";
 187 my $packages_list_file_name;
 188 our @packages_list_col_names = ("distribution", "package", "version", "section", "description", "template", "timestamp");
 189 my $outdir = "/tmp/packages_list_db";
 190 my $arch = "i386";
 191
 192 # holds all messages which should be delivered to a user
 193 our $messaging_db;
 194 our $messaging_tn = "messaging";
 195 our @messaging_col_names = ("id INTEGER", "subject", "message_from", "message_to",
 196         "flag", "direction", "delivery_time", "message", "timestamp" );
 197 my $messaging_file_name;
 198
 199 # path to directory to store client install log files
 200 our $client_fai_log_dir = "/var/log/fai";
 201
 202 # queue which stores taskes until one of the $max_children children are ready to process the task
 203 my @tasks = qw();
 204 my @msgs_to_decrypt = qw();
 205 my $max_children = 2;
 206
 207
 208 # loop delay for job queue to look for opsi jobs
 209 my $job_queue_opsi_delay = 10;
 210 our $opsi_client;
 211 our $opsi_url;
 212
 213
 214
 215 %cfg_defaults = (
 216 "general" => {
 217     "log-file" => [\$log_file, "/var/run/".$prg.".log"],
 218     "pid-file" => [\$pid_file, "/var/run/".$prg.".pid"],
 219     },
 220 "server" => {
 221     "ip" => [\$server_ip, "0.0.0.0"],
 222     "port" => [\$server_port, "20081"],
 223     "known-clients"        => [\$known_clients_file_name, '/var/lib/gosa-si/clients.db' ],
 224     "known-servers"        => [\$known_server_file_name, '/var/lib/gosa-si/servers.db'],
 225     "incoming"             => [\$incoming_file_name, '/var/lib/gosa-si/incoming.db'],
 226     "login-users"          => [\$login_users_file_name, '/var/lib/gosa-si/users.db'],
 227     "fai-server"           => [\$fai_server_file_name, '/var/lib/gosa-si/fai_server.db'],
 228     "fai-release"          => [\$fai_release_file_name, '/var/lib/gosa-si/fai_release.db'],
 229     "packages-list"        => [\$packages_list_file_name, '/var/lib/gosa-si/packages.db'],
 230     "messaging"            => [\$messaging_file_name, '/var/lib/gosa-si/messaging.db'],
 231     "foreign-clients"      => [\$foreign_clients_file_name, '/var/lib/gosa-si/foreign_clients.db'],
 232     "source-list"          => [\$sources_list, '/etc/apt/sources.list'],
 233     "repo-path"            => [\$repo_path, '/srv/www/repository'],
 234     "ldap-uri"             => [\$ldap_uri, ""],
 235     "ldap-base"            => [\$ldap_base, ""],
 236     "ldap-admin-dn"        => [\$ldap_admin_dn, ""],
 237     "ldap-admin-password"  => [\$ldap_admin_password, ""],
 238     "gosa-unit-tag"        => [\$gosa_unit_tag, ""],
 239     "max-clients"          => [\$max_clients, 10],
 240     "wol-password"           => [\$wake_on_lan_passwd, ""],
 241     },
 242 "GOsaPackages" => {
 243     "job-queue" => [\$job_queue_file_name, '/var/lib/gosa-si/jobs.db'],
 244     "job-queue-loop-delay" => [\$job_queue_loop_delay, 3],
 245     "messaging-db-loop-delay" => [\$messaging_db_loop_delay, 3],
 246     "key" => [\$GosaPackages_key, "none"],
 247     },
 248 "ClientPackages" => {
 249     "key" => [\$ClientPackages_key, "none"],
 250     },
 251 "ServerPackages"=> {
 252     "address"      => [\$foreign_server_string, ""],
 253     "domain"  => [\$server_domain, ""],
 254     "key"     => [\$ServerPackages_key, "none"],
 255     "key-lifetime" => [\$foreign_servers_register_delay, 120],
 256     "job-synchronization-enabled" => [\$job_synchronization, "true"],
 257     "synchronization-loop" => [\$modified_jobs_loop_delay, 5],
 258     },
 259 "ArpHandler" => {
 260     "enabled"   => [\$arp_enabled, "true"],
 261     "interface" => [\$arp_interface, "all"],
 262         },
 263 "Opsi" => {
 264     "enabled"  => [\$opsi_enabled, "false"],
 265     "server"   => [\$opsi_server, "localhost"],
 266     "admin"    => [\$opsi_admin, "opsi-admin"],
 267     "password" => [\$opsi_password, "secret"],
 268    },
 269
 270 );
 271
 272
 273 #===  FUNCTION  ================================================================
 274 #         NAME:  usage
 275 #   PARAMETERS:  nothing
 276 #      RETURNS:  nothing
 277 #  DESCRIPTION:  print out usage text to STDERR
 278 #===============================================================================
 279 sub usage {
 280     print STDERR << "EOF" ;
 281 usage: $prg [-hvf] [-c config]
 282
 283            -h        : this (help) message
 284            -c <file> : config file
 285            -f        : foreground, process will not be forked to background
 286            -v        : be verbose (multiple to increase verbosity)
 287            -no-arp   : starts $prg without connection to arp module
 288
 289 EOF
 290     print "\n" ;
 291 }
 292
 293
 294 #===  FUNCTION  ================================================================
 295 #         NAME:  logging
 296 #   PARAMETERS:  level - string - default 'info'
 297 #                msg - string -
 298 #                facility - string - default 'LOG_DAEMON'
 299 #      RETURNS:  nothing
 300 #  DESCRIPTION:  function for logging
 301 #===============================================================================
 302 sub daemon_log {
 303     # log into log_file
 304     my( $msg, $level ) = @_;
 305     if(not defined $msg) { return }
 306     if(not defined $level) { $level = 1 }
 307     if(defined $log_file){
 308         open(LOG_HANDLE, ">>$log_file");
 309         chmod 0600, $log_file;
 310         if(not defined open( LOG_HANDLE, ">>$log_file" )) {
 311             print STDERR "cannot open $log_file: $!";
 312             return
 313         }
 314         chomp($msg);
 315         #$msg =~s/\n//g;   # no newlines are allowed in log messages, this is important for later log parsing
 316         if($level <= $verbose){
 317             my ($seconds, $minutes, $hours, $monthday, $month,
 318                     $year, $weekday, $yearday, $sommertime) = localtime(time);
 319             $hours = $hours < 10 ? $hours = "0".$hours : $hours;
 320             $minutes = $minutes < 10 ? $minutes = "0".$minutes : $minutes;
 321             $seconds = $seconds < 10 ? $seconds = "0".$seconds : $seconds;
 322             my @monthnames = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 323             $month = $monthnames[$month];
 324             $monthday = $monthday < 10 ? $monthday = "0".$monthday : $monthday;
 325             $year+=1900;
 326             my $name = $prg;
 327
 328             my $log_msg = "$month $monthday $hours:$minutes:$seconds $name $msg\n";
 329             print LOG_HANDLE $log_msg;
 330             if( $foreground ) {
 331                 print STDERR $log_msg;
 332             }
 333         }
 334         close( LOG_HANDLE );
 335     }
 336 }
 337
 338
 339 #===  FUNCTION  ================================================================
 340 #         NAME:  check_cmdline_param
 341 #   PARAMETERS:  nothing
 342 #      RETURNS:  nothing
 343 #  DESCRIPTION:  validates commandline parameter
 344 #===============================================================================
 345 sub check_cmdline_param () {
 346     my $err_config;
 347     my $err_counter = 0;
 348         if(not defined($cfg_file)) {
 349                 $cfg_file = "/etc/gosa-si/server.conf";
 350                 if(! -r $cfg_file) {
 351                         $err_config = "please specify a config file";
 352                         $err_counter += 1;
 353                 }
 354     }
 355     if( $err_counter > 0 ) {
 356         &usage( "", 1 );
 357         if( defined( $err_config)) { print STDERR "$err_config\n"}
 358         print STDERR "\n";
 359         exit( -1 );
 360     }
 361 }
 362
 363
 364 #===  FUNCTION  ================================================================
 365 #         NAME:  check_pid
 366 #   PARAMETERS:  nothing
 367 #      RETURNS:  nothing
 368 #  DESCRIPTION:  handels pid processing
 369 #===============================================================================
 370 sub check_pid {
 371     $pid = -1;
 372     # Check, if we are already running
 373     if( open(LOCK_FILE, "<$pid_file") ) {
 374         $pid = <LOCK_FILE>;
 375         if( defined $pid ) {
 376             chomp( $pid );
 377             if( -f "/proc/$pid/stat" ) {
 378                 my($stat) = `cat /proc/$pid/stat` =~ m/$pid \((.+)\).*/;
 379                 if( $stat ) {
 380                                         daemon_log("ERROR: Already running",1);
 381                     close( LOCK_FILE );
 382                     exit -1;
 383                 }
 384             }
 385         }
 386         close( LOCK_FILE );
 387         unlink( $pid_file );
 388     }
 389
 390     # create a syslog msg if it is not to possible to open PID file
 391     if (not sysopen(LOCK_FILE, $pid_file, O_WRONLY|O_CREAT|O_EXCL, 0644)) {
 392         my($msg) = "Couldn't obtain lockfile '$pid_file' ";
 393         if (open(LOCK_FILE, '<', $pid_file)
 394                 && ($pid = <LOCK_FILE>))
 395         {
 396             chomp($pid);
 397             $msg .= "(PID $pid)\n";
 398         } else {
 399             $msg .= "(unable to read PID)\n";
 400         }
 401         if( ! ($foreground) ) {
 402             openlog( $0, "cons,pid", "daemon" );
 403             syslog( "warning", $msg );
 404             closelog();
 405         }
 406         else {
 407             print( STDERR " $msg " );
 408         }
 409         exit( -1 );
 410     }
 411 }
 412
 413 #===  FUNCTION  ================================================================
 414 #         NAME:  import_modules
 415 #   PARAMETERS:  module_path - string - abs. path to the directory the modules
 416 #                are stored
 417 #      RETURNS:  nothing
 418 #  DESCRIPTION:  each file in module_path which ends with '.pm' and activation
 419 #                state is on is imported by "require 'file';"
 420 #===============================================================================
 421 sub import_modules {
 422     daemon_log(" ", 1);
 423
 424     if (not -e $modules_path) {
 425         daemon_log("0 ERROR: cannot find directory or directory is not readable: $modules_path", 1);
 426     }
 427
 428     opendir (DIR, $modules_path) or die "ERROR while loading modules from directory $modules_path : $!\n";
 429     while (defined (my $file = readdir (DIR))) {
 430         if (not $file =~ /(\S*?).pm$/) {
 431             next;
 432         }
 433                 my $mod_name = $1;
 434
 435         # ArpHandler switch
 436         if( $file =~ /ArpHandler.pm/ ) {
 437             if( $arp_enabled eq "false" ) { next; }
 438         }
 439
 440         eval { require $file; };
 441         if ($@) {
 442             daemon_log("0 ERROR: gosa-si-server could not load module $file", 1);
 443             daemon_log("$@", 5);
 444                 } else {
 445                         my $info = eval($mod_name.'::get_module_info()');
 446                         # Only load module if get_module_info() returns a non-null object
 447                         if( $info ) {
 448                                 my ($input_address, $input_key, $input, $input_active, $input_type) = @{$info};
 449                                 $known_modules->{$mod_name} = $info;
 450                                 daemon_log("0 INFO: module $mod_name loaded", 5);
 451                         }
 452                 }
 453     }
 454     close (DIR);
 455 }
 456
 457 #===  FUNCTION  ================================================================
 458 #         NAME:  password_check
 459 #   PARAMETERS:  nothing
 460 #      RETURNS:  nothing
 461 #  DESCRIPTION:  escalates an critical error if two modules exist which are avaialable by
 462 #                the same password
 463 #===============================================================================
 464 sub password_check {
 465     my $passwd_hash = {};
 466     while (my ($mod_name, $mod_info) = each %$known_modules) {
 467         my $mod_passwd = @$mod_info[1];
 468         if (not defined $mod_passwd) { next; }
 469         if (not exists $passwd_hash->{$mod_passwd}) {
 470             $passwd_hash->{$mod_passwd} = $mod_name;
 471
 472         # escalates critical error
 473         } else {
 474             &daemon_log("0 ERROR: two loaded modules do have the same password. Please modify the 'key'-parameter in config file");
 475             &daemon_log("0 ERROR: module='$mod_name' and module='".$passwd_hash->{$mod_passwd}."'");
 476             exit( -1 );
 477         }
 478     }
 479
 480 }
 481
 482
 483 #===  FUNCTION  ================================================================
 484 #         NAME:  sig_int_handler
 485 #   PARAMETERS:  signal - string - signal arose from system
 486 #      RETURNS:  nothing
 487 #  DESCRIPTION:  handels tasks to be done befor signal becomes active
 488 #===============================================================================
 489 sub sig_int_handler {
 490     my ($signal) = @_;
 491
 492 #       if (defined($ldap_handle)) {
 493 #               $ldap_handle->disconnect;
 494 #       }
 495     # TODO alle verbliebenden ldap verbindungen aus allen heaps beenden
 496
 497
 498     daemon_log("shutting down gosa-si-server", 1);
 499     system("kill `ps -C gosa-si-server -o pid=`");
 500 }
 501 $SIG{INT} = \&sig_int_handler;
 502
 503
 504 sub check_key_and_xml_validity {
 505     my ($crypted_msg, $module_key, $session_id) = @_;
 506     my $msg;
 507     my $msg_hash;
 508     my $error_string;
 509     eval{
 510         $msg = &decrypt_msg($crypted_msg, $module_key);
 511
 512         if ($msg =~ /<xml>/i){
 513             $msg =~ s/\s+/ /g;  # just for better daemon_log
 514             daemon_log("$session_id DEBUG: decrypted_msg: \n$msg", 8);
 515             $msg_hash = $xml->XMLin($msg, ForceArray=>1);
 516
 517             ##############
 518             # check header
 519             if( not exists $msg_hash->{'header'} ) { die "no header specified"; }
 520             my $header_l = $msg_hash->{'header'};
 521             if( 1 > @{$header_l} ) { die 'empty header tag'; }
 522             if( 1 < @{$header_l} ) { die 'more than one header specified'; }
 523             my $header = @{$header_l}[0];
 524             if( 0 == length $header) { die 'empty string in header tag'; }
 525
 526             ##############
 527             # check source
 528             if( not exists $msg_hash->{'source'} ) { die "no source specified"; }
 529             my $source_l = $msg_hash->{'source'};
 530             if( 1 > @{$source_l} ) { die 'empty source tag'; }
 531             if( 1 < @{$source_l} ) { die 'more than one source specified'; }
 532             my $source = @{$source_l}[0];
 533             if( 0 == length $source) { die 'source error'; }
 534
 535             ##############
 536             # check target
 537             if( not exists $msg_hash->{'target'} ) { die "no target specified"; }
 538             my $target_l = $msg_hash->{'target'};
 539             if( 1 > @{$target_l} ) { die 'empty target tag'; }
 540         }
 541     };
 542     if($@) {
 543         daemon_log("$session_id DEBUG: do not understand the message: $@", 7);
 544         $msg = undef;
 545         $msg_hash = undef;
 546     }
 547
 548     return ($msg, $msg_hash);
 549 }
 550
 551
 552 sub check_outgoing_xml_validity {
 553     my ($msg, $session_id) = @_;
 554
 555     my $msg_hash;
 556     eval{
 557         $msg_hash = $xml->XMLin($msg, ForceArray=>1);
 558
 559         ##############
 560         # check header
 561         my $header_l = $msg_hash->{'header'};
 562         if( 1 != @{$header_l} ) {
 563             die 'no or more than one headers specified';
 564         }
 565         my $header = @{$header_l}[0];
 566         if( 0 == length $header) {
 567             die 'header has length 0';
 568         }
 569
 570         ##############
 571         # check source
 572         my $source_l = $msg_hash->{'source'};
 573         if( 1 != @{$source_l} ) {
 574             die 'no or more than 1 sources specified';
 575         }
 576         my $source = @{$source_l}[0];
 577         if( 0 == length $source) {
 578             die 'source has length 0';
 579         }
 580         unless( $source =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ||
 581                 $source =~ /^GOSA$/i ) {
 582             die "source '$source' is neither a complete ip-address with port nor 'GOSA'";
 583         }
 584
 585         ##############
 586         # check target
 587         my $target_l = $msg_hash->{'target'};
 588         if( 0 == @{$target_l} ) {
 589             die "no targets specified";
 590         }
 591         foreach my $target (@$target_l) {
 592             if( 0 == length $target) {
 593                 die "target has length 0";
 594             }
 595             unless( $target =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+$/ ||
 596                     $target =~ /^GOSA$/i ||
 597                     $target =~ /^\*$/ ||
 598                     $target =~ /KNOWN_SERVER/i ||
 599                     $target =~ /JOBDB/i ||
 600                     $target =~ /^([0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2})$/i ){
 601                 die "target '$target' is not a complete ip-address with port or a valid target name or a mac-address";
 602             }
 603         }
 604     };
 605     if($@) {
 606         daemon_log("$session_id ERROR: outgoing msg is not gosa-si envelope conform: $@", 1);
 607         daemon_log("$@ ".(defined($msg) && length($msg)>0)?$msg:"Empty Message", 1);
 608         $msg_hash = undef;
 609     }
 610
 611     return ($msg_hash);
 612 }
 613
 614
 615 sub input_from_known_server {
 616     my ($input, $remote_ip, $session_id) = @_ ;
 617     my ($msg, $msg_hash, $module);
 618
 619     my $sql_statement= "SELECT * FROM known_server";
 620     my $query_res = $known_server_db->select_dbentry( $sql_statement );
 621
 622     while( my ($hit_num, $hit) = each %{ $query_res } ) {
 623         my $host_name = $hit->{hostname};
 624         if( not $host_name =~ "^$remote_ip") {
 625             next;
 626         }
 627         my $host_key = $hit->{hostkey};
 628         daemon_log("$session_id DEBUG: input_from_known_server: host_name: $host_name", 7);
 629         daemon_log("$session_id DEBUG: input_from_known_server: host_key: $host_key", 7);
 630
 631         # check if module can open msg envelope with module key
 632         my ($tmp_msg, $tmp_msg_hash) = &check_key_and_xml_validity($input, $host_key, $session_id);
 633         if( (!$tmp_msg) || (!$tmp_msg_hash) ) {
 634             daemon_log("$session_id DEBUG: input_from_known_server: deciphering raise error", 7);
 635             daemon_log("$@", 8);
 636             next;
 637         }
 638         else {
 639             $msg = $tmp_msg;
 640             $msg_hash = $tmp_msg_hash;
 641             $module = "ServerPackages";
 642             last;
 643         }
 644     }
 645
 646     if( (!$msg) || (!$msg_hash) || (!$module) ) {
 647         daemon_log("$session_id DEBUG: Incoming message is not from a known server", 7);
 648     }
 649
 650     return ($msg, $msg_hash, $module);
 651 }
 652
 653
 654 sub input_from_known_client {
 655     my ($input, $remote_ip, $session_id) = @_ ;
 656     my ($msg, $msg_hash, $module);
 657
 658     my $sql_statement= "SELECT * FROM known_clients";
 659     my $query_res = $known_clients_db->select_dbentry( $sql_statement );
 660     while( my ($hit_num, $hit) = each %{ $query_res } ) {
 661         my $host_name = $hit->{hostname};
 662         if( not $host_name =~ /^$remote_ip:\d*$/) {
 663                 next;
 664                 }
 665         my $host_key = $hit->{hostkey};
 666         &daemon_log("$session_id DEBUG: input_from_known_client: host_name: $host_name", 7);
 667         &daemon_log("$session_id DEBUG: input_from_known_client: host_key: $host_key", 7);
 668
 669         # check if module can open msg envelope with module key
 670         ($msg, $msg_hash) = &check_key_and_xml_validity($input, $host_key, $session_id);
 671
 672         if( (!$msg) || (!$msg_hash) ) {
 673             &daemon_log("$session_id DEGUG: input_from_known_client: deciphering raise error", 7);
 674             &daemon_log("$@", 8);
 675             next;
 676         }
 677         else {
 678             $module = "ClientPackages";
 679             last;
 680         }
 681     }
 682
 683     if( (!$msg) || (!$msg_hash) || (!$module) ) {
 684         &daemon_log("$session_id DEBUG: Incoming message is not from a known client", 7);
 685     }
 686
 687     return ($msg, $msg_hash, $module);
 688 }
 689
 690
 691 sub input_from_unknown_host {
 692     no strict "refs";
 693     my ($input, $session_id) = @_ ;
 694     my ($msg, $msg_hash, $module);
 695     my $error_string;
 696
 697         my %act_modules = %$known_modules;
 698
 699     while( my ($mod, $info) = each(%act_modules)) {
 700
 701         # check a key exists for this module
 702         my $module_key = ${$mod."_key"};
 703         if( not defined $module_key ) {
 704             if( $mod eq 'ArpHandler' ) {
 705                 next;
 706             }
 707             daemon_log("$session_id ERROR: no key specified in config file for $mod", 1);
 708             next;
 709         }
 710         daemon_log("$session_id DEBUG: $mod: $module_key", 7);
 711
 712         # check if module can open msg envelope with module key
 713         ($msg, $msg_hash) = &check_key_and_xml_validity($input, $module_key, $session_id);
 714         if( (not defined $msg) || (not defined $msg_hash) ) {
 715             next;
 716         }
 717         else {
 718             $module = $mod;
 719             last;
 720         }
 721     }
 722
 723     if( (!$msg) || (!$msg_hash) || (!$module)) {
 724         daemon_log("$session_id DEBUG: Incoming message is not from an unknown host", 7);
 725     }
 726
 727     return ($msg, $msg_hash, $module);
 728 }
 729
 730
 731 sub create_ciphering {
 732     my ($passwd) = @_;
 733         if((!defined($passwd)) || length($passwd)==0) {
 734                 $passwd = "";
 735         }
 736     $passwd = substr(md5_hex("$passwd") x 32, 0, 32);
 737     my $iv = substr(md5_hex('GONICUS GmbH'),0, 16);
 738     my $my_cipher = Crypt::Rijndael->new($passwd , Crypt::Rijndael::MODE_CBC());
 739     $my_cipher->set_iv($iv);
 740     return $my_cipher;
 741 }
 742
 743
 744 sub encrypt_msg {
 745     my ($msg, $key) = @_;
 746     my $my_cipher = &create_ciphering($key);
 747     my $len;
 748     {
 749             use bytes;
 750             $len= 16-length($msg)%16;
 751     }
 752     $msg = "\0"x($len).$msg;
 753     $msg = $my_cipher->encrypt($msg);
 754     chomp($msg = &encode_base64($msg));
 755     # there are no newlines allowed inside msg
 756     $msg=~ s/\n//g;
 757     return $msg;
 758 }
 759
 760
 761 sub decrypt_msg {
 762
 763     my ($msg, $key) = @_ ;
 764     $msg = &decode_base64($msg);
 765     my $my_cipher = &create_ciphering($key);
 766     $msg = $my_cipher->decrypt($msg);
 767     $msg =~ s/\0*//g;
 768     return $msg;
 769 }
 770
 771
 772 sub get_encrypt_key {
 773     my ($target) = @_ ;
 774     my $encrypt_key;
 775     my $error = 0;
 776
 777     # target can be in known_server
 778     if( not defined $encrypt_key ) {
 779         my $sql_statement= "SELECT * FROM known_server WHERE hostname='$target'";
 780         my $query_res = $known_server_db->select_dbentry( $sql_statement );
 781         while( my ($hit_num, $hit) = each %{ $query_res } ) {
 782             my $host_name = $hit->{hostname};
 783             if( $host_name ne $target ) {
 784                 next;
 785             }
 786             $encrypt_key = $hit->{hostkey};
 787             last;
 788         }
 789     }
 790
 791     # target can be in known_client
 792     if( not defined $encrypt_key ) {
 793         my $sql_statement= "SELECT * FROM known_clients WHERE hostname='$target'";
 794         my $query_res = $known_clients_db->select_dbentry( $sql_statement );
 795         while( my ($hit_num, $hit) = each %{ $query_res } ) {
 796             my $host_name = $hit->{hostname};
 797             if( $host_name ne $target ) {
 798                 next;
 799             }
 800             $encrypt_key = $hit->{hostkey};
 801             last;
 802         }
 803     }
 804
 805     return $encrypt_key;
 806 }
 807
 808
 809 #===  FUNCTION  ================================================================
 810 #         NAME:  open_socket
 811 #   PARAMETERS:  PeerAddr string something like 192.168.1.1 or 192.168.1.1:10000
 812 #                [PeerPort] string necessary if port not appended by PeerAddr
 813 #      RETURNS:  socket IO::Socket::INET
 814 #  DESCRIPTION:  open a socket to PeerAddr
 815 #===============================================================================
 816 sub open_socket {
 817     my ($PeerAddr, $PeerPort) = @_ ;
 818     if(defined($PeerPort)){
 819         $PeerAddr = $PeerAddr.":".$PeerPort;
 820     }
 821     my $socket;
 822     $socket = new IO::Socket::INET(PeerAddr => $PeerAddr,
 823             Porto => "tcp",
 824             Type => SOCK_STREAM,
 825             Timeout => 5,
 826             );
 827     if(not defined $socket) {
 828         return;
 829     }
 830 #    &daemon_log("DEBUG: open_socket: $PeerAddr", 7);
 831     return $socket;
 832 }
 833
 834
 835 sub get_local_ip_for_remote_ip {
 836         my $remote_ip= shift;
 837         my $result="0.0.0.0";
 838
 839         if($remote_ip =~ /^(\d\d?\d?\.){3}\d\d?\d?$/) {
 840                 if($remote_ip eq "127.0.0.1") {
 841                         $result = "127.0.0.1";
 842                 } else {
 843                         my $PROC_NET_ROUTE= ('/proc/net/route');
 844
 845                         open(PROC_NET_ROUTE, "<$PROC_NET_ROUTE")
 846                                 or die "Could not open $PROC_NET_ROUTE";
 847
 848                         my @ifs = <PROC_NET_ROUTE>;
 849
 850                         close(PROC_NET_ROUTE);
 851
 852                         # Eat header line
 853                         shift @ifs;
 854                         chomp @ifs;
 855                         foreach my $line(@ifs) {
 856                                 my ($Iface,$Destination,$Gateway,$Flags,$RefCnt,$Use,$Metric,$Mask,$MTU,$Window,$IRTT)=split(/\s/, $line);
 857                                 my $destination;
 858                                 my $mask;
 859                                 my ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Destination);
 860                                 $destination= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
 861                                 ($d,$c,$b,$a)=unpack('a2 a2 a2 a2', $Mask);
 862                                 $mask= sprintf("%d.%d.%d.%d", hex($a), hex($b), hex($c), hex($d));
 863                                 if(new NetAddr::IP($remote_ip)->within(new NetAddr::IP($destination, $mask))) {
 864                                         # destination matches route, save mac and exit
 865                                         $result= &get_ip($Iface);
 866                                         last;
 867                                 }
 868                         }
 869                 }
 870         } else {
 871                 daemon_log("0 WARNING: get_local_ip_for_remote_ip() was called with a non-ip parameter: '$remote_ip'", 1);
 872         }
 873         return $result;
 874 }
 875
 876
 877 sub send_msg_to_target {
 878     my ($msg, $address, $encrypt_key, $msg_header, $session_id) = @_ ;
 879     my $error = 0;
 880     my $header;
 881     my $timestamp = &get_time();
 882     my $new_status;
 883     my $act_status;
 884     my ($sql_statement, $res);
 885
 886     if( $msg_header ) {
 887         $header = "'$msg_header'-";
 888     } else {
 889         $header = "";
 890     }
 891
 892         # Patch the source ip
 893         if($msg =~ /<source>0\.0\.0\.0:\d*?<\/source>/) {
 894                 my $remote_ip = &get_local_ip_for_remote_ip(sprintf("%s", $address =~ /^([0-9\.]*?):.*$/));
 895                 $msg =~ s/<source>(0\.0\.0\.0):(\d*?)<\/source>/<source>$remote_ip:$2<\/source>/s;
 896         }
 897
 898     # encrypt xml msg
 899     my $crypted_msg = &encrypt_msg($msg, $encrypt_key);
 900
 901     # opensocket
 902     my $socket = &open_socket($address);
 903     if( !$socket ) {
 904         daemon_log("$session_id WARNING: cannot send ".$header."msg to $address , host not reachable", 3);
 905         $error++;
 906     }
 907
 908     if( $error == 0 ) {
 909         # send xml msg
 910         print $socket $crypted_msg."\n";
 911
 912         daemon_log("$session_id INFO: send ".$header."msg to $address", 5);
 913         daemon_log("$session_id DEBUG: message:\n$msg", 9);
 914
 915     }
 916
 917     # close socket in any case
 918     if( $socket ) {
 919         close $socket;
 920     }
 921
 922     if( $error > 0 ) { $new_status = "down"; }
 923     else { $new_status = $msg_header; }
 924
 925
 926     # known_clients
 927     $sql_statement = "SELECT * FROM $known_clients_tn WHERE hostname='$address'";
 928     $res = $known_clients_db->select_dbentry($sql_statement);
 929     if( keys(%$res) == 1) {
 930         $act_status = exists $res->{1}->{'status'} ? $res->{1}->{'status'} : "";
 931         if ($act_status eq "down" && $new_status eq "down") {
 932             $sql_statement = "DELETE FROM known_clients WHERE hostname='$address'";
 933             $res = $known_clients_db->del_dbentry($sql_statement);
 934             daemon_log("$session_id WARNING: failed 2x to send msg to host '$address', delete host from known_clients", 3);
 935         } else {
 936             $sql_statement = "UPDATE known_clients SET status='$new_status', timestamp='$timestamp' WHERE hostname='$address'";
 937             $res = $known_clients_db->update_dbentry($sql_statement);
 938             if($new_status eq "down"){
 939                 daemon_log("$session_id WARNING: set '$address' from status '$act_status' to '$new_status'", 3);
 940             } else {
 941                 daemon_log("$session_id INFO: set '$address' from status '$act_status' to '$new_status'", 5);
 942             }
 943         }
 944     }
 945
 946     # known_server
 947     $sql_statement = "SELECT * FROM $known_server_tn WHERE hostname='$address'";
 948     $res = $known_server_db->select_dbentry($sql_statement);
 949     if( keys(%$res) == 1) {
 950         $act_status = exists $res->{1}->{'status'} ? $res->{1}->{'status'} : "";
 951         if ($act_status eq "down" && $new_status eq "down") {
 952             $sql_statement = "DELETE FROM known_server WHERE hostname='$address'";
 953             $res = $known_server_db->del_dbentry($sql_statement);
 954             daemon_log("$session_id WARNING: failed 2x to send a message to host '$address', delete host from known_server", 3);
 955         }
 956         else {
 957             $sql_statement = "UPDATE known_server SET status='$new_status', timestamp='$timestamp' WHERE hostname='$address'";
 958             $res = $known_server_db->update_dbentry($sql_statement);
 959             if($new_status eq "down"){
 960                 daemon_log("$session_id WARNING: set '$address' from status '$act_status' to '$new_status'", 3);
 961             } else {
 962                 daemon_log("$session_id INFO: set '$address' from status '$act_status' to '$new_status'", 5);
 963             }
 964         }
 965     }
 966     return $error;
 967 }
 968
 969
 970 sub update_jobdb_status_for_send_msgs {
 971     my ($answer, $error) = @_;
 972     if( $answer =~ /<jobdb_id>(\d+)<\/jobdb_id>/ ) {
 973         my $jobdb_id = $1;
 974
 975         # sending msg faild
 976         if( $error ) {
 977             if (not $answer =~ /<header>trigger_action_reinstall<\/header>/) {
 978                 my $sql_statement = "UPDATE $job_queue_tn ".
 979                     "SET status='error', result='can not deliver msg, please consult log file' ".
 980                     "WHERE id=$jobdb_id";
 981                 my $res = $job_db->update_dbentry($sql_statement);
 982             }
 983
 984         # sending msg was successful
 985         } else {
 986             my $sql_statement = "UPDATE $job_queue_tn ".
 987                 "SET status='done' ".
 988                 "WHERE id=$jobdb_id AND status='processed'";
 989             my $res = $job_db->update_dbentry($sql_statement);
 990         }
 991     }
 992 }
 993
 994
 995 sub sig_handler {
 996         my ($kernel, $signal) = @_[KERNEL, ARG0] ;
 997         daemon_log("0 INFO got signal '$signal'", 1);
 998         $kernel->sig_handled();
 999         return;
1000 }
1001
1002
1003 sub msg_to_decrypt {
1004     my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
1005     my $session_id = $session->ID;
1006     my ($msg, $msg_hash, $module);
1007     my $error = 0;
1008
1009     # hole neue msg aus @msgs_to_decrypt
1010     my $next_msg = shift @msgs_to_decrypt;
1011
1012     # entschlüssle sie
1013
1014     # msg is from a new client or gosa
1015     ($msg, $msg_hash, $module) = &input_from_unknown_host($next_msg, $session_id);
1016     # msg is from a gosa-si-server
1017     if(( !$msg ) || ( !$msg_hash ) || ( !$module )){
1018         ($msg, $msg_hash, $module) = &input_from_known_server($next_msg, $heap->{'remote_ip'}, $session_id);
1019     }
1020     # msg is from a gosa-si-client
1021     if(( !$msg ) || ( !$msg_hash ) || ( !$module )){
1022         ($msg, $msg_hash, $module) = &input_from_known_client($next_msg, $heap->{'remote_ip'}, $session_id);
1023     }
1024     # an error occurred
1025     if(( !$msg ) || ( !$msg_hash ) || ( !$module )){
1026         # if an incoming msg could not be decrypted (maybe a wrong key), send client a ping. If the client
1027         # could not understand a msg from its server the client cause a re-registering process
1028         daemon_log("$session_id WARNING cannot understand incoming msg, send 'ping'-msg to all host with ip '".$heap->{remote_ip}.
1029                 "' to cause a re-registering of the client if necessary", 3);
1030         my $sql_statement = "SELECT * FROM $main::known_clients_tn WHERE (hostname LIKE '".$heap->{'remote_ip'}."%')";
1031         my $query_res = $known_clients_db->select_dbentry( $sql_statement );
1032         while( my ($hit_num, $hit) = each %{ $query_res } ) {
1033             my $host_name = $hit->{'hostname'};
1034             my $host_key = $hit->{'hostkey'};
1035             my $ping_msg = "<xml> <header>gosa_ping</header> <source>$server_address</source> <target>$host_name</target></xml>";
1036             my $error = &send_msg_to_target($ping_msg, $host_name, $host_key, "gosa_ping", $session_id);
1037             &update_jobdb_status_for_send_msgs($ping_msg, $error);
1038         }
1039         $error++;
1040     }
1041
1042
1043     my $header;
1044     my $target;
1045     my $source;
1046     my $done = 0;
1047     my $sql;
1048     my $res;
1049
1050     # check whether this message should be processed here
1051     if ($error == 0) {
1052         $header = @{$msg_hash->{'header'}}[0];
1053         $target = @{$msg_hash->{'target'}}[0];
1054         $source = @{$msg_hash->{'source'}}[0];
1055                 my $not_found_in_known_clients_db = 0;
1056                 my $not_found_in_known_server_db = 0;
1057                 my $not_found_in_foreign_clients_db = 0;
1058         my $local_address;
1059         my ($target_ip, $target_port) = split(':', $target);
1060                 if ($target =~ /^\d+\.\d+\.\d+\.\d+:\d+$/) {
1061                         $local_address = &get_local_ip_for_remote_ip($target_ip).":$server_port";
1062                 } else {
1063             $local_address = $server_address;
1064         }
1065
1066         # target and source is equal to GOSA -> process here
1067         if (not $done) {
1068             if ($target eq "GOSA" && $source eq "GOSA") {
1069                 $done = 1;
1070             }
1071         }
1072
1073         # target is own address without forward_to_gosa-tag -> process here
1074         if (not $done) {
1075             if (($target eq $local_address) && (not exists $msg_hash->{'forward_to_gosa'})) {
1076                 $done = 1;
1077                 if ($source eq "GOSA") {
1078                     $msg =~ s/<\/xml>/<forward_to_gosa>$local_address,$session_id<\/forward_to_gosa><\/xml>/;
1079                 }
1080                 #print STDERR "target is own address without forward_to_gosa-tag -> process here\n";
1081             }
1082         }
1083
1084         # target is a client address in known_clients -> process here
1085                 if (not $done) {
1086                                 $sql = "SELECT * FROM $known_clients_tn WHERE (hostname='$target' OR macaddress LIKE '$target')";
1087                                 $res = $known_clients_db->select_dbentry($sql);
1088                                 if (keys(%$res) > 0) {
1089                                                 $done = 1;
1090                                                 my $hostname = $res->{1}->{'hostname'};
1091                                                 $msg =~ s/<target>$target<\/target>/<target>$hostname<\/target>/;
1092                                                 #print STDERR "target is a client address in known_clients -> process here\n";
1093                         my $local_address = &get_local_ip_for_remote_ip($target_ip).":$server_port";
1094                         if ($source eq "GOSA") {
1095                             $msg =~ s/<\/xml>/<forward_to_gosa>$local_address,$session_id<\/forward_to_gosa><\/xml>/;
1096                         }
1097
1098                                 } else {
1099                                                 $not_found_in_known_clients_db = 1;
1100                                 }
1101                 }
1102
1103         # target ist own address with forward_to_gosa-tag not pointing to myself -> process here
1104         if (not $done) {
1105             my $forward_to_gosa =  @{$msg_hash->{'forward_to_gosa'}}[0];
1106             my $gosa_at;
1107             my $gosa_session_id;
1108             if (($target eq $local_address) && (defined $forward_to_gosa)){
1109                 my ($gosa_at, $gosa_session_id) = split(/,/, $forward_to_gosa);
1110                 if ($gosa_at ne $local_address) {
1111                     $done = 1;
1112                     #print STDERR "target is own address with forward_to_gosa-tag not pointing to myself -> process here\n";
1113                 }
1114             }
1115         }
1116
1117         # if message should be processed here -> add message to incoming_db
1118                 if ($done) {
1119                                 # if a job or a gosa message comes from a foreign server, fake module to GosaPackages
1120                                 # so gosa-si-server knows how to process this kind of messages
1121                                 if ($header =~ /^gosa_/ || $header =~ /^job_/) {
1122                                                 $module = "GosaPackages";
1123                                 }
1124
1125                                 my $res = $incoming_db->add_dbentry( {table=>$incoming_tn,
1126                                                                 primkey=>[],
1127                                                                 headertag=>$header,
1128                                                                 targettag=>$target,
1129                                                                 xmlmessage=>&encode_base64($msg),
1130                                                                 timestamp=>&get_time,
1131                                                                 module=>$module,
1132                                                                 sessionid=>$session_id,
1133                                                                 } );
1134                 }
1135
1136         # target is own address with forward_to_gosa-tag pointing at myself -> forward to gosa
1137         if (not $done) {
1138             my $forward_to_gosa =  @{$msg_hash->{'forward_to_gosa'}}[0];
1139             my $gosa_at;
1140             my $gosa_session_id;
1141             if (($target eq $local_address) && (defined $forward_to_gosa)){
1142                 my ($gosa_at, $gosa_session_id) = split(/,/, $forward_to_gosa);
1143                 if ($gosa_at eq $local_address) {
1144                     my $session_reference = $kernel->ID_id_to_session($gosa_session_id);
1145                     if( defined $session_reference ) {
1146                         $heap = $session_reference->get_heap();
1147                     }
1148                     if(exists $heap->{'client'}) {
1149                         $msg = &encrypt_msg($msg, $GosaPackages_key);
1150                         $heap->{'client'}->put($msg);
1151                         &daemon_log("$session_id INFO: incoming '$header' message forwarded to GOsa", 5);
1152                     }
1153                     $done = 1;
1154                     #print STDERR "target is own address with forward_to_gosa-tag pointing at myself -> forward to gosa\n";
1155                 }
1156             }
1157
1158         }
1159
1160         # target is a client address in foreign_clients -> forward to registration server
1161         if (not $done) {
1162             $sql = "SELECT * FROM $foreign_clients_tn WHERE (hostname='$target' OR macaddress LIKE '$target')";
1163             $res = $foreign_clients_db->select_dbentry($sql);
1164             if (keys(%$res) > 0) {
1165                     my $hostname = $res->{1}->{'hostname'};
1166                     my ($host_ip, $host_port) = split(/:/, $hostname);
1167                     my $local_address =  &get_local_ip_for_remote_ip($host_ip).":$server_port";
1168                 my $regserver = $res->{1}->{'regserver'};
1169                 my $sql = "SELECT * FROM $known_server_tn WHERE hostname='$regserver'";
1170                 my $res = $known_server_db->select_dbentry($sql);
1171                 if (keys(%$res) > 0) {
1172                     my $regserver_key = $res->{1}->{'hostkey'};
1173                     $msg =~ s/<source>GOSA<\/source>/<source>$local_address<\/source>/;
1174                     $msg =~ s/<target>$target<\/target>/<target>$hostname<\/target>/;
1175                     if ($source eq "GOSA") {
1176                         $msg =~ s/<\/xml>/<forward_to_gosa>$local_address,$session_id<\/forward_to_gosa><\/xml>/;
1177                     }
1178                     &send_msg_to_target($msg, $regserver, $regserver_key, $header, $session_id);
1179                 }
1180                 $done = 1;
1181                 #print STDERR "target is a client address in foreign_clients -> forward to registration server\n";
1182             } else {
1183                                 $not_found_in_foreign_clients_db = 1;
1184                         }
1185         }
1186
1187         # target is a server address -> forward to server
1188         if (not $done) {
1189             $sql = "SELECT * FROM $known_server_tn WHERE hostname='$target'";
1190             $res = $known_server_db->select_dbentry($sql);
1191             if (keys(%$res) > 0) {
1192                 my $hostkey = $res->{1}->{'hostkey'};
1193
1194                 if ($source eq "GOSA") {
1195                     $msg =~ s/<source>GOSA<\/source>/<source>$local_address<\/source>/;
1196                     $msg =~ s/<\/xml>/<forward_to_gosa>$local_address,$session_id<\/forward_to_gosa><\/xml>/;
1197
1198                 }
1199
1200                 &send_msg_to_target($msg, $target, $hostkey, $header, $session_id);
1201                 $done = 1;
1202                 #print STDERR "target is a server address -> forward to server\n";
1203             } else {
1204                                 $not_found_in_known_server_db = 1;
1205                         }
1206         }
1207
1208
1209                 # target is not in foreign_clients_db, known_server_db or known_clients_db, maybe it is a complete new one -> process here
1210                 if ( $not_found_in_foreign_clients_db
1211                                                 && $not_found_in_known_server_db
1212                                                 && $not_found_in_known_clients_db) {
1213                                 my $res = $incoming_db->add_dbentry( {table=>$incoming_tn,
1214                                                                 primkey=>[],
1215                                                                 headertag=>$header,
1216                                                                 targettag=>$target,
1217                                                                 xmlmessage=>&encode_base64($msg),
1218                                                                 timestamp=>&get_time,
1219                                                                 module=>$module,
1220                                                                 sessionid=>$session_id,
1221                                                                 } );
1222                                 $done = 1;
1223                 }
1224
1225
1226         if (not $done) {
1227             daemon_log("$session_id ERROR: do not know what to do with this message: $msg", 1);
1228             if ($source eq "GOSA") {
1229                 my %data = ('error_msg' => &encode_base64($msg), 'error_string' => "Do not know what to do with this message!");
1230                 my $error_msg = &build_msg("error", $local_address, "GOSA", \%data );
1231
1232                 my $session_reference = $kernel->ID_id_to_session($session_id);
1233                 if( defined $session_reference ) {
1234                     $heap = $session_reference->get_heap();
1235                 }
1236                 if(exists $heap->{'client'}) {
1237                     $error_msg = &encrypt_msg($error_msg, $GosaPackages_key);
1238                     $heap->{'client'}->put($error_msg);
1239                 }
1240             }
1241         }
1242
1243     }
1244
1245     return;
1246 }
1247
1248
1249 sub next_task {
1250     my ($session, $heap, $task) = @_[SESSION, HEAP, ARG0];
1251     my $running_task = POE::Wheel::Run->new(
1252             Program => sub { process_task($session, $heap, $task) },
1253             StdioFilter => POE::Filter::Reference->new(),
1254             StdoutEvent  => "task_result",
1255             StderrEvent  => "task_debug",
1256             CloseEvent   => "task_done",
1257             );
1258     $heap->{task}->{ $running_task->ID } = $running_task;
1259 }
1260
1261 sub handle_task_result {
1262     my ($kernel, $heap, $result) = @_[KERNEL, HEAP, ARG0];
1263     my $client_answer = $result->{'answer'};
1264     if( $client_answer =~ s/session_id=(\d+)$// ) {
1265         my $session_id = $1;
1266         if( defined $session_id ) {
1267             my $session_reference = $kernel->ID_id_to_session($session_id);
1268             if( defined $session_reference ) {
1269                 $heap = $session_reference->get_heap();
1270             }
1271         }
1272
1273         if(exists $heap->{'client'}) {
1274             $heap->{'client'}->put($client_answer);
1275         }
1276     }
1277     $kernel->sig(CHLD => "child_reap");
1278 }
1279
1280 sub handle_task_debug {
1281     my $result = $_[ARG0];
1282     print STDERR "$result\n";
1283 }
1284
1285 sub handle_task_done {
1286     my ( $kernel, $heap, $task_id ) = @_[ KERNEL, HEAP, ARG0 ];
1287     delete $heap->{task}->{$task_id};
1288 }
1289
1290 sub process_task {
1291     no strict "refs";
1292     #CHECK: Not @_[...]?
1293     my ($session, $heap, $task) = @_;
1294     my $error = 0;
1295     my $answer_l;
1296     my ($answer_header, @answer_target_l, $answer_source);
1297     my $client_answer = "";
1298
1299     # prepare all variables needed to process message
1300     #my $msg = $task->{'xmlmessage'};
1301     my $msg = &decode_base64($task->{'xmlmessage'});
1302     my $incoming_id = $task->{'id'};
1303     my $module = $task->{'module'};
1304     my $header =  $task->{'headertag'};
1305     my $session_id = $task->{'sessionid'};
1306     my $msg_hash = $xml->XMLin($msg, ForceArray=>1);
1307     my $source = @{$msg_hash->{'source'}}[0];
1308
1309     # set timestamp of incoming client uptodate, so client will not
1310     # be deleted from known_clients because of expiration
1311     my $act_time = &get_time();
1312     my $sql = "UPDATE $known_clients_tn SET timestamp='$act_time' WHERE hostname='$source'";
1313     my $res = $known_clients_db->exec_statement($sql);
1314
1315     ######################
1316     # process incoming msg
1317     if( $error == 0) {
1318         daemon_log("$session_id INFO: Incoming msg (session_id=$session_id) with header '".@{$msg_hash->{'header'}}[0]."'", 5);
1319         daemon_log("$session_id DEBUG: Processing module ".$module, 7);
1320         $answer_l = &{ $module."::process_incoming_msg" }($msg, $msg_hash, $session_id);
1321
1322         if ( 0 < @{$answer_l} ) {
1323             my $answer_str = join("\n", @{$answer_l});
1324             while ($answer_str =~ /<header>(\w+)<\/header>/g) {
1325                 daemon_log("$session_id INFO: got answer message with header '$1'", 5);
1326             }
1327             daemon_log("$session_id DEBUG: $module: got answer from module: \n".$answer_str,8);
1328         } else {
1329             daemon_log("$session_id DEBUG: $module: got no answer from module!" ,8);
1330         }
1331
1332     }
1333     if( !$answer_l ) { $error++ };
1334
1335     ########
1336     # answer
1337     if( $error == 0 ) {
1338
1339         foreach my $answer ( @{$answer_l} ) {
1340             # check outgoing msg to xml validity
1341             my $answer_hash = &check_outgoing_xml_validity($answer, $session_id);
1342             if( not defined $answer_hash ) { next; }
1343
1344             $answer_header = @{$answer_hash->{'header'}}[0];
1345             @answer_target_l = @{$answer_hash->{'target'}};
1346             $answer_source = @{$answer_hash->{'source'}}[0];
1347
1348             # deliver msg to all targets
1349             foreach my $answer_target ( @answer_target_l ) {
1350
1351                 # targets of msg are all gosa-si-clients in known_clients_db
1352                 if( $answer_target eq "*" ) {
1353                     # answer is for all clients
1354                     my $sql_statement= "SELECT * FROM known_clients";
1355                     my $query_res = $known_clients_db->select_dbentry( $sql_statement );
1356                     while( my ($hit_num, $hit) = each %{ $query_res } ) {
1357                         my $host_name = $hit->{hostname};
1358                         my $host_key = $hit->{hostkey};
1359                         my $error = &send_msg_to_target($answer, $host_name, $host_key, $answer_header, $session_id);
1360                         &update_jobdb_status_for_send_msgs($answer, $error);
1361                     }
1362                 }
1363
1364                 # targets of msg are all gosa-si-server in known_server_db
1365                 elsif( $answer_target eq "KNOWN_SERVER" ) {
1366                     # answer is for all server in known_server
1367                     my $sql_statement= "SELECT * FROM $known_server_tn";
1368                     my $query_res = $known_server_db->select_dbentry( $sql_statement );
1369                     while( my ($hit_num, $hit) = each %{ $query_res } ) {
1370                         my $host_name = $hit->{hostname};
1371                         my $host_key = $hit->{hostkey};
1372                         $answer =~ s/<target>\S+<\/target>/<target>$host_name<\/target>/g;
1373                         my $error = &send_msg_to_target($answer, $host_name, $host_key, $answer_header, $session_id);
1374                         &update_jobdb_status_for_send_msgs($answer, $error);
1375                     }
1376                 }
1377
1378                 # target of msg is GOsa
1379                                 elsif( $answer_target eq "GOSA" ) {
1380                                         my $session_id = ($1) if $answer =~ /<session_id>(\d+?)<\/session_id>/;
1381                                         my $add_on = "";
1382                     if( defined $session_id ) {
1383                         $add_on = ".session_id=$session_id";
1384                     }
1385                     # answer is for GOSA and has to returned to connected client
1386                     my $gosa_answer = &encrypt_msg($answer, $GosaPackages_key);
1387                     $client_answer = $gosa_answer.$add_on;
1388                 }
1389
1390                 # target of msg is job queue at this host
1391                 elsif( $answer_target eq "JOBDB") {
1392                     $answer =~ /<header>(\S+)<\/header>/;
1393                     my $header;
1394                     if( defined $1 ) { $header = $1; }
1395                     my $error = &send_msg_to_target($answer, $server_address, $GosaPackages_key, $header, $session_id);
1396                     &update_jobdb_status_for_send_msgs($answer, $error);
1397                 }
1398
1399                 # target of msg is a mac address
1400                 elsif( $answer_target =~ /^([0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2})$/i ) {
1401                     daemon_log("$session_id INFO: target is mac address '$answer_target', looking for host in known_clients", 5);
1402                     my $sql_statement = "SELECT * FROM known_clients WHERE macaddress LIKE '$answer_target'";
1403                     my $query_res = $known_clients_db->select_dbentry( $sql_statement );
1404                     my $found_ip_flag = 0;
1405                     while( my ($hit_num, $hit) = each %{ $query_res } ) {
1406                         my $host_name = $hit->{hostname};
1407                         my $host_key = $hit->{hostkey};
1408                         $answer =~ s/$answer_target/$host_name/g;
1409                         daemon_log("$session_id INFO: found host '$host_name', associated to '$answer_target'", 5);
1410                         my $error = &send_msg_to_target($answer, $host_name, $host_key, $answer_header, $session_id);
1411                         &update_jobdb_status_for_send_msgs($answer, $error);
1412                         $found_ip_flag++ ;
1413                     }
1414                     if( $found_ip_flag == 0) {
1415                         daemon_log("$session_id WARNING: no host found in known_clients with mac address '$answer_target'", 3);
1416                     }
1417
1418                 #  answer is for one specific host
1419                 } else {
1420                     # get encrypt_key
1421                     my $encrypt_key = &get_encrypt_key($answer_target);
1422                     if( not defined $encrypt_key ) {
1423                         # unknown target
1424                         daemon_log("$session_id WARNING: unknown target '$answer_target'", 3);
1425                         next;
1426                     }
1427                     my $error = &send_msg_to_target($answer, $answer_target, $encrypt_key, $answer_header,$session_id);
1428                     &update_jobdb_status_for_send_msgs($answer, $error);
1429                 }
1430             }
1431         }
1432     }
1433
1434     my $filter = POE::Filter::Reference->new();
1435     my %result = (
1436             status => "seems ok to me",
1437             answer => $client_answer,
1438             );
1439
1440     my $output = $filter->put( [ \%result ] );
1441     print @$output;
1442
1443
1444 }
1445
1446 sub session_start {
1447     my ($kernel) = $_[KERNEL];
1448     $global_kernel = $kernel;
1449     $kernel->yield('register_at_foreign_servers');
1450         $kernel->yield('create_fai_server_db', $fai_server_tn );
1451         $kernel->yield('create_fai_release_db', $fai_release_tn );
1452     $kernel->yield('watch_for_next_tasks');
1453         $kernel->sig(USR1 => "sig_handler");
1454         $kernel->sig(USR2 => "recreate_packages_db");
1455         $kernel->delay_set('watch_for_new_jobs', $job_queue_loop_delay);
1456         $kernel->delay_set('watch_for_done_jobs', $job_queue_loop_delay);
1457     $kernel->delay_set('watch_for_modified_jobs', $modified_jobs_loop_delay);
1458         $kernel->delay_set('watch_for_new_messages', $messaging_db_loop_delay);
1459     $kernel->delay_set('watch_for_delivery_messages', $messaging_db_loop_delay);
1460         $kernel->delay_set('watch_for_done_messages', $messaging_db_loop_delay);
1461     $kernel->delay_set('watch_for_old_known_clients', $job_queue_loop_delay);
1462
1463     # Start opsi check
1464     if ($opsi_enabled eq "true") {
1465         $kernel->delay_set('watch_for_opsi_jobs', $job_queue_opsi_delay);
1466     }
1467
1468 }
1469
1470
1471 sub check_opsi_res {
1472     my $res= shift;
1473     if($res) {
1474         if ($res->is_error) {
1475             &main::daemon_log("ERROR: opsi configed communication failed: ".$res->error_message, 1);
1476         } else {
1477             return 1;
1478         }
1479     } else {
1480         &main::daemon_log("ERROR: opsi configed communication failed: ".$opsi_client->status_line, 1);
1481     }
1482     return 0;
1483 }
1484
1485
1486 sub watch_for_done_jobs {
1487     #CHECK: $heap for what?
1488     my ($kernel,$heap) = @_[KERNEL, HEAP];
1489
1490     my $sql_statement = "SELECT * FROM ".$job_queue_tn." WHERE ((status='done') AND (modified='0'))";
1491         my $res = $job_db->select_dbentry( $sql_statement );
1492
1493     while( my ($id, $hit) = each %{$res} ) {
1494         my $jobdb_id = $hit->{id};
1495         my $sql_statement = "DELETE FROM $job_queue_tn WHERE id=$jobdb_id";
1496         my $res = $job_db->del_dbentry($sql_statement);
1497     }
1498
1499     $kernel->delay_set('watch_for_done_jobs',$job_queue_loop_delay);
1500 }
1501
1502
1503 sub watch_for_opsi_jobs {
1504     my ($kernel) = $_[KERNEL];
1505
1506     my $sql_statement = "SELECT * FROM ".$job_queue_tn." WHERE ((headertag='opsi_install_client') AND (status='processing'))";
1507         my $res = $job_db->select_dbentry( $sql_statement );
1508
1509     while (my ($id, $hit) = each %$res ) {
1510
1511         # Determine current parameters of the job
1512         my $hostId = $hit->{'plainname'};
1513         my $macaddress = $hit->{'macaddress'};
1514         my $progress = $hit->{'progress'};
1515
1516         # Ask OPSI for an update of the running jobs
1517 print STDERR "$hostId\n";
1518         my $result= {};
1519
1520         # For hosts, only return the products that are or get installed
1521         my $callobj;
1522         $callobj = {
1523             method  => 'getProductStates_hash',
1524             params  => [ $hostId ],
1525             id  => 1,
1526         };
1527
1528         my $hres = $opsi_client->call($opsi_url, $callobj);
1529         if (&check_opsi_res($hres)){
1530             my $htmp= $hres->result->{$hostId};
1531
1532         # check state != not_installed or action == setup -> load and add
1533             my $products= 0;
1534             my $installed= 0;
1535             my $error= 0;
1536             foreach my $product (@{$htmp}){
1537
1538                 if ($product->{'installationStatus'} ne "not_installed" or
1539                         $product->{'actionRequest'} eq "setup"){
1540
1541         # Increase number of products for this host
1542                     $products++;
1543
1544                     if ($product->{'installationStatus'} eq "failed"){
1545                         $result->{$product->{'productId'}}= "error";
1546                         $error++;
1547                     }
1548                     if ($product->{'installationStatus'} eq "installed"){
1549                         $result->{$product->{'productId'}}= "installed";
1550                         $installed++;
1551                     }
1552                     if ($product->{'installationStatus'} eq "installing"){
1553                         $result->{$product->{'productId'}}= "installing";
1554                     }
1555                 }
1556             }
1557
1558         # Estimate "rough" progress
1559             $result->{'progress'}= int($installed * 100 / $products);
1560         }
1561
1562 print STDERR Dumper($result);
1563
1564         # Set updates to job queue
1565         my $act_status = "none";
1566         my $error = 0;
1567         my $installing = 0;
1568         my $installed;
1569         my @installed_list;
1570         my @error_list;
1571         while (my ($product, $status) = each %$result) {
1572             if ($product eq "progress") { next; };
1573             if ($status eq "installed" && (not $error)) {
1574                unshift(@installed_list, $product);
1575                 $installed++;
1576             } elsif ($status eq "installing" && (not $error)) {
1577                 $installing++;
1578                 $act_status = "$status - $product";
1579             } elsif ($status eq "error") {
1580                 $error++;
1581                 unshift(@error_list, $product)$act_status = "error - $product";
1582             }
1583         }
1584         if ((not $error) && (not $installing) && ($installed)) {
1585             $act_status = "installed - ".join(", ", @installed_list);
1586         }
1587         if ($progress ne $result->{'progress'} ) {
1588             my $update_statement = "UPDATE $job_queue_tn SET progress='".$result->{'progress'}."', result='$act_status', modified='1' WHERE macaddress='$macaddress'";
1589             my $update_res = $job_db->update_dbentry($update_statement);
1590         }
1591
1592     }
1593
1594     $kernel->delay_set('watch_for_opsi_jobs', $job_queue_opsi_delay);
1595 }
1596
1597
1598 # if a job got an update or was modified anyway, send to all other si-server an update message
1599 # of this jobs
1600 sub watch_for_modified_jobs {
1601     my ($kernel,$heap) = @_[KERNEL, HEAP];
1602
1603     my $sql_statement = "SELECT * FROM $job_queue_tn WHERE ((siserver='localhost') AND (modified='1'))";
1604     my $res = $job_db->select_dbentry( $sql_statement );
1605
1606     # if db contains no jobs which should be update, do nothing
1607     if (keys %$res != 0) {
1608
1609         if ($job_synchronization  eq "true") {
1610             # make out of the db result a gosa-si message
1611             my $update_msg = &db_res2si_msg ($res, "foreign_job_updates", "KNOWN_SERVER", "MY_LOCAL_ADDRESS");
1612
1613             # update all other SI-server
1614             &inform_all_other_si_server($update_msg);
1615         }
1616
1617         # set jobs all jobs to modified = 0, wait until the next modification for updates of other si-server
1618         $sql_statement = "UPDATE $job_queue_tn SET modified='0' ";
1619         $res = $job_db->update_dbentry($sql_statement);
1620     }
1621
1622     $kernel->delay_set('watch_for_modified_jobs', $modified_jobs_loop_delay);
1623 }
1624
1625
1626 sub watch_for_new_jobs {
1627         if($watch_for_new_jobs_in_progress == 0) {
1628                 $watch_for_new_jobs_in_progress = 1;
1629                 my ($kernel,$heap) = @_[KERNEL, HEAP];
1630
1631                 # check gosa job quaeue for jobs with executable timestamp
1632                 my $timestamp = &get_time();
1633                 my $sql_statement = "SELECT * FROM $job_queue_tn WHERE status='waiting' AND (CAST (timestamp AS INTEGER)) < $timestamp ORDER BY timestamp";
1634                 my $res = $job_db->exec_statement( $sql_statement );
1635
1636                 # Merge all new jobs that would do the same actions
1637                 my @drops;
1638                 my $hits;
1639                 foreach my $hit (reverse @{$res} ) {
1640                         my $macaddress= lc @{$hit}[8];
1641                         my $headertag= @{$hit}[5];
1642                         if(
1643                                 defined($hits->{$macaddress}) &&
1644                                 defined($hits->{$macaddress}->{$headertag}) &&
1645                                 defined($hits->{$macaddress}->{$headertag}[0])
1646                         ) {
1647                                 push @drops, "DELETE FROM $job_queue_tn WHERE id = $hits->{$macaddress}->{$headertag}[0]";
1648                         }
1649                         $hits->{$macaddress}->{$headertag}= $hit;
1650                 }
1651
1652                 # Delete new jobs with a matching job in state 'processing'
1653                 foreach my $macaddress (keys %{$hits}) {
1654                         foreach my $jobdb_headertag (keys %{$hits->{$macaddress}}) {
1655                                 my $jobdb_id = @{$hits->{$macaddress}->{$jobdb_headertag}}[0];
1656                                 if(defined($jobdb_id)) {
1657                                         my $sql_statement = "SELECT * FROM $job_queue_tn WHERE macaddress LIKE '$macaddress' AND headertag='$jobdb_headertag' AND status='processing'";
1658                                         my $res = $job_db->exec_statement( $sql_statement );
1659                                         foreach my $hit (@{$res}) {
1660                                                 push @drops, "DELETE FROM $job_queue_tn WHERE id=$jobdb_id";
1661                                         }
1662                                 } else {
1663                                         daemon_log("J ERROR: Job without id exists for macaddress $macaddress!", 1);
1664                                 }
1665                         }
1666                 }
1667
1668                 # Commit deletion
1669                 $job_db->exec_statementlist(\@drops);
1670
1671                 # Look for new jobs that could be executed
1672                 foreach my $macaddress (keys %{$hits}) {
1673
1674                         # Look if there is an executing job
1675                         my $sql_statement = "SELECT * FROM $job_queue_tn WHERE macaddress LIKE '$macaddress' AND status='processing'";
1676                         my $res = $job_db->exec_statement( $sql_statement );
1677
1678                         # Skip new jobs for host if there is a processing job
1679                         if(defined($res) and defined @{$res}[0]) {
1680                                 next;
1681                         }
1682
1683                         foreach my $jobdb_headertag (keys %{$hits->{$macaddress}}) {
1684                                 my $jobdb_id = @{$hits->{$macaddress}->{$jobdb_headertag}}[0];
1685                                 if(defined($jobdb_id)) {
1686                                         my $job_msg = @{$hits->{$macaddress}->{$jobdb_headertag}}[7];
1687
1688                                         daemon_log("J DEBUG: its time to execute $job_msg", 7);
1689                                         my $sql_statement = "SELECT * FROM known_clients WHERE macaddress LIKE '$macaddress'";
1690                                         my $res_hash = $known_clients_db->select_dbentry( $sql_statement );
1691
1692                                         # expect macaddress is unique!!!!!!
1693                                         my $target = $res_hash->{1}->{hostname};
1694
1695                                         # change header
1696                                         $job_msg =~ s/<header>job_/<header>gosa_/;
1697
1698                                         # add sqlite_id
1699                                         $job_msg =~ s/<\/xml>$/<jobdb_id>$jobdb_id<\/jobdb_id><\/xml>/;
1700
1701                                         $job_msg =~ /<header>(\S+)<\/header>/;
1702                                         my $header = $1 ;
1703                                         my $func_error = &send_msg_to_target($job_msg, $server_address, $GosaPackages_key, $header, "J");
1704
1705                                         # update status in job queue to 'processing'
1706                                         $sql_statement = "UPDATE $job_queue_tn SET status='processing' WHERE id=$jobdb_id";
1707                                         my $res = $job_db->update_dbentry($sql_statement);
1708 # TODO: abfangen ob alles in ordnung ist oder nicht, wenn nicht error schmeißen
1709
1710                                         # We don't want parallel processing
1711                                         last;
1712                                 }
1713                         }
1714                 }
1715
1716                 $watch_for_new_jobs_in_progress = 0;
1717                 $kernel->delay_set('watch_for_new_jobs', $job_queue_loop_delay);
1718         }
1719 }
1720
1721
1722 sub watch_for_new_messages {
1723     my ($kernel,$heap) = @_[KERNEL, HEAP];
1724     my @coll_user_msg;   # collection list of outgoing messages
1725
1726     # check messaging_db for new incoming messages with executable timestamp
1727     my $timestamp = &get_time();
1728     my $sql_statement = "SELECT * FROM $messaging_tn WHERE ( (CAST(timestamp AS INTEGER))<$timestamp AND flag='n' AND direction='in' )";
1729     my $res = $messaging_db->exec_statement( $sql_statement );
1730         foreach my $hit (@{$res}) {
1731
1732         # create outgoing messages
1733         my $message_to = @{$hit}[3];
1734         # translate message_to to plain login name
1735         my @message_to_l = split(/,/, $message_to);
1736                 my %receiver_h;
1737                 foreach my $receiver (@message_to_l) {
1738                         if ($receiver =~ /^u_([\s\S]*)$/) {
1739                                 $receiver_h{$1} = 0;
1740                         } elsif ($receiver =~ /^g_([\s\S]*)$/) {
1741                                 my $group_name = $1;
1742                                 # fetch all group members from ldap and add them to receiver hash
1743                                 my $ldap_handle = &get_ldap_handle();
1744                                 if (defined $ldap_handle) {
1745                                                 my $mesg = $ldap_handle->search(
1746                                                                                 base => $ldap_base,
1747                                                                                 scope => 'sub',
1748                                                                                 attrs => ['memberUid'],
1749                                                                                 filter => "cn=$group_name",
1750                                                                                 );
1751                                                 if ($mesg->count) {
1752                                                                 my @entries = $mesg->entries;
1753                                                                 foreach my $entry (@entries) {
1754                                                                                 my @receivers= $entry->get_value("memberUid");
1755                                                                                 foreach my $receiver (@receivers) {
1756                                                                                                 $receiver_h{$1} = 0;
1757                                                                                 }
1758                                                                 }
1759                                                 }
1760                                                 # translating errors ?
1761                                                 if ($mesg->code) {
1762                                                                 daemon_log("M ERROR: unable to translate group '$group_name' to user list for message delivery: $mesg->error", 1);
1763                                                 }
1764                                 # ldap handle error ?
1765                                 } else {
1766                                         daemon_log("M ERROR: unable to translate group '$group_name' to user list for message delivery: no ldap handle available", 1);
1767                                 }
1768                         } else {
1769                                 my $sbjct = &encode_base64(@{$hit}[1]);
1770                                 my $msg = &encode_base64(@{$hit}[7]);
1771                                 &daemon_log("M WARNING: unknown receiver '$receiver' for a user-message '$sbjct - $msg'", 3);
1772                         }
1773                 }
1774                 my @receiver_l = keys(%receiver_h);
1775
1776         my $message_id = @{$hit}[0];
1777
1778         #add each outgoing msg to messaging_db
1779         my $receiver;
1780         foreach $receiver (@receiver_l) {
1781             my $sql_statement = "INSERT INTO $messaging_tn (id, subject, message_from, message_to, flag, direction, delivery_time, message, timestamp) ".
1782                 "VALUES ('".
1783                 $message_id."', '".    # id
1784                 @{$hit}[1]."', '".     # subject
1785                 @{$hit}[2]."', '".     # message_from
1786                 $receiver."', '".      # message_to
1787                 "none"."', '".         # flag
1788                 "out"."', '".          # direction
1789                 @{$hit}[6]."', '".     # delivery_time
1790                 @{$hit}[7]."', '".     # message
1791                 $timestamp."'".     # timestamp
1792                 ")";
1793             &daemon_log("M DEBUG: $sql_statement", 1);
1794             my $res = $messaging_db->exec_statement($sql_statement);
1795             &daemon_log("M INFO: message '".@{$hit}[0]."' is prepared for delivery to receiver '$receiver'", 5);
1796         }
1797
1798         # set incoming message to flag d=deliverd
1799         $sql_statement = "UPDATE $messaging_tn SET flag='p' WHERE id='$message_id'";
1800         &daemon_log("M DEBUG: $sql_statement", 7);
1801         $res = $messaging_db->update_dbentry($sql_statement);
1802         &daemon_log("M INFO: message '$message_id' is set to flag 'p' (processed)", 5);
1803     }
1804
1805     $kernel->delay_set('watch_for_new_messages', $messaging_db_loop_delay);
1806     return;
1807 }
1808
1809 sub watch_for_delivery_messages {
1810     my ($kernel, $heap) = @_[KERNEL, HEAP];
1811
1812     # select outgoing messages
1813     my $sql_statement = "SELECT * FROM $messaging_tn WHERE ( flag='p' AND direction='out' )";
1814     #&daemon_log("0 DEBUG: $sql", 7);
1815     my $res = $messaging_db->exec_statement( $sql_statement );
1816
1817     # build out msg for each    usr
1818     foreach my $hit (@{$res}) {
1819         my $receiver = @{$hit}[3];
1820         my $msg_id = @{$hit}[0];
1821         my $subject = @{$hit}[1];
1822         my $message = @{$hit}[7];
1823
1824         # resolve usr -> host where usr is logged in
1825         my $sql = "SELECT * FROM $login_users_tn WHERE (user='$receiver')";
1826         #&daemon_log("0 DEBUG: $sql", 7);
1827         my $res = $login_users_db->exec_statement($sql);
1828
1829         # reciver is logged in nowhere
1830         if (not ref(@$res[0]) eq "ARRAY") { next; }
1831
1832                 my $send_succeed = 0;
1833                 foreach my $hit (@$res) {
1834                                 my $receiver_host = @$hit[0];
1835                                 &daemon_log("M DEBUG: user '$receiver' is logged in at host '$receiver_host'", 7);
1836
1837                                 # fetch key to encrypt msg propperly for usr/host
1838                                 my $sql = "SELECT * FROM $known_clients_tn WHERE (hostname='$receiver_host')";
1839                                 &daemon_log("0 DEBUG: $sql", 7);
1840                                 my $res = $known_clients_db->exec_statement($sql);
1841
1842                                 # host is already down
1843                                 if (not ref(@$res[0]) eq "ARRAY") { next; }
1844
1845                                 # host is on
1846                                 my $receiver_key = @{@{$res}[0]}[2];
1847                                 my %data = ('subject' => $subject, 'message' => $message, 'usr' => $receiver);
1848                                 my $out_msg = &build_msg("usr_msg", $server_address, $receiver_host, \%data );
1849                                 my $error = &send_msg_to_target($out_msg, $receiver_host, $receiver_key, "usr_msg", 0);
1850                                 if ($error == 0 ) {
1851                                         $send_succeed++ ;
1852                                 }
1853                 }
1854
1855                 if ($send_succeed) {
1856                                 # set outgoing msg at db to deliverd
1857                                 my $sql = "UPDATE $messaging_tn SET flag='d' WHERE (id='$msg_id' AND direction='out' AND message_to='$receiver')";
1858                                 &daemon_log("0 DEBUG: $sql", 7);
1859                                 my $res = $messaging_db->exec_statement($sql);
1860                 }
1861         }
1862
1863     $kernel->delay_set('watch_for_delivery_messages', $messaging_db_loop_delay);
1864     return;
1865 }
1866
1867
1868 sub watch_for_done_messages {
1869     my ($kernel,$heap) = @_[KERNEL, HEAP];
1870
1871     my $sql = "SELECT * FROM $messaging_tn WHERE (flag='p' AND direction='in')";
1872     #&daemon_log("0 DEBUG: $sql", 7);
1873     my $res = $messaging_db->exec_statement($sql);
1874
1875     foreach my $hit (@{$res}) {
1876         my $msg_id = @{$hit}[0];
1877
1878         my $sql = "SELECT * FROM $messaging_tn WHERE (id='$msg_id' AND direction='out' AND (NOT flag='s'))";
1879         #&daemon_log("0 DEBUG: $sql", 7);
1880         my $res = $messaging_db->exec_statement($sql);
1881
1882         # not all usr msgs have been seen till now
1883         if ( ref(@$res[0]) eq "ARRAY") { next; }
1884
1885         $sql = "DELETE FROM $messaging_tn WHERE (id='$msg_id')";
1886         #&daemon_log("0 DEBUG: $sql", 7);
1887         $res = $messaging_db->exec_statement($sql);
1888
1889     }
1890
1891     $kernel->delay_set('watch_for_done_messages', $messaging_db_loop_delay);
1892     return;
1893 }
1894
1895
1896 sub watch_for_old_known_clients {
1897     my ($kernel,$heap) = @_[KERNEL, HEAP];
1898
1899     my $sql_statement = "SELECT * FROM $known_clients_tn";
1900     my $res = $known_clients_db->select_dbentry( $sql_statement );
1901
1902     my $act_time = int(&get_time());
1903
1904     while ( my ($hit_num, $hit) = each %$res) {
1905         my $expired_timestamp = int($hit->{'timestamp'});
1906         $expired_timestamp =~ /(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)/;
1907         my $dt = DateTime->new( year   => $1,
1908                 month  => $2,
1909                 day    => $3,
1910                 hour   => $4,
1911                 minute => $5,
1912                 second => $6,
1913                 );
1914
1915         $dt->add( seconds => 2 * int($hit->{'keylifetime'}) );
1916         $expired_timestamp = $dt->ymd('').$dt->hms('')."\n";
1917         if ($act_time > $expired_timestamp) {
1918             my $hostname = $hit->{'hostname'};
1919             my $del_sql = "DELETE FROM $known_clients_tn WHERE hostname='$hostname'";
1920             my $del_res = $known_clients_db->exec_statement($del_sql);
1921
1922             &main::daemon_log("0 INFO: timestamp '".$hit->{'timestamp'}."' of client '$hostname' is expired('$expired_timestamp'), client will be deleted from known_clients_db", 5);
1923         }
1924
1925     }
1926
1927     $kernel->delay_set('watch_for_old_known_clients', $job_queue_loop_delay);
1928 }
1929
1930
1931 sub watch_for_next_tasks {
1932     my ($kernel,$heap) = @_[KERNEL, HEAP];
1933
1934     my $sql = "SELECT * FROM $incoming_tn";
1935     my $res = $incoming_db->select_dbentry($sql);
1936
1937     while ( my ($hit_num, $hit) = each %$res) {
1938         my $headertag = $hit->{'headertag'};
1939         if ($headertag =~ /^answer_(\d+)/) {
1940             # do not start processing, this message is for a still running POE::Wheel
1941             next;
1942         }
1943         my $message_id = $hit->{'id'};
1944         $kernel->yield('next_task', $hit);
1945
1946         my $sql = "DELETE FROM $incoming_tn WHERE id=$message_id";
1947         my $res = $incoming_db->exec_statement($sql);
1948     }
1949
1950     $kernel->delay_set('watch_for_next_tasks', 0.1);
1951 }
1952
1953
1954 sub get_ldap_handle {
1955         my ($session_id) = @_;
1956         my $heap;
1957         my $ldap_handle;
1958
1959         if (not defined $session_id ) { $session_id = 0 };
1960         if ($session_id =~ /[^0-9]*/) { $session_id = 0 };
1961
1962         if ($session_id == 0) {
1963                 daemon_log("$session_id DEBUG: get_ldap_handle invoked without a session_id, create a new ldap_handle", 7);
1964                 $ldap_handle = Net::LDAP->new( $ldap_uri );
1965                 $ldap_handle->bind($ldap_admin_dn, password => $ldap_admin_password) or daemon_log("$session_id ERROR: Bind to LDAP $ldap_uri as $ldap_admin_dn failed!");
1966
1967         } else {
1968                 my $session_reference = $global_kernel->ID_id_to_session($session_id);
1969                 if( defined $session_reference ) {
1970                         $heap = $session_reference->get_heap();
1971                 }
1972
1973                 if (not defined $heap) {
1974                         daemon_log("$session_id DEBUG: cannot get heap for session_id '$session_id'", 7);
1975                         return;
1976                 }
1977
1978                 # TODO: This "if" is nonsense, because it doesn't prove that the
1979                 #       used handle is still valid - or if we've to reconnect...
1980                 #if (not exists $heap->{ldap_handle}) {
1981                         $ldap_handle = Net::LDAP->new( $ldap_uri );
1982                         $ldap_handle->bind($ldap_admin_dn, password => $ldap_admin_password) or daemon_log("$session_id ERROR: Bind to LDAP $ldap_uri as $ldap_admin_dn failed!");
1983                         $heap->{ldap_handle} = $ldap_handle;
1984                 #}
1985         }
1986         return $ldap_handle;
1987 }
1988
1989
1990 sub change_fai_state {
1991     my ($st, $targets, $session_id) = @_;
1992     $session_id = 0 if not defined $session_id;
1993     # Set FAI state to localboot
1994     my %mapActions= (
1995         reboot    => '',
1996         update    => 'softupdate',
1997         localboot => 'localboot',
1998         reinstall => 'install',
1999         rescan    => '',
2000         wake      => '',
2001         memcheck  => 'memcheck',
2002         sysinfo   => 'sysinfo',
2003         install   => 'install',
2004     );
2005
2006     # Return if this is unknown
2007     if (!exists $mapActions{ $st }){
2008         daemon_log("$session_id ERROR: unknown action '$st', can not translate ot FAIstate", 1);
2009       return;
2010     }
2011
2012     my $state= $mapActions{ $st };
2013
2014     my $ldap_handle = &get_ldap_handle($session_id);
2015     if( defined($ldap_handle) ) {
2016
2017       # Build search filter for hosts
2018         my $search= "(&(objectClass=GOhard)";
2019         foreach (@{$targets}){
2020             $search.= "(macAddress=$_)";
2021         }
2022         $search.= ")";
2023
2024       # If there's any host inside of the search string, procress them
2025         if (!($search =~ /macAddress/)){
2026             daemon_log("$session_id ERROR: no macAddress found in filter statement for LDAP search: '$search'", 1);
2027             return;
2028         }
2029
2030       # Perform search for Unit Tag
2031       my $mesg = $ldap_handle->search(
2032           base   => $ldap_base,
2033           scope  => 'sub',
2034           attrs  => ['dn', 'FAIstate', 'objectClass'],
2035           filter => "$search"
2036           );
2037
2038           if ($mesg->count) {
2039                   my @entries = $mesg->entries;
2040                   if (0 == @entries) {
2041                                   daemon_log("$session_id ERROR: ldap search failed: ldap_base=$ldap_base, filter=$search", 1);
2042                   }
2043
2044                   foreach my $entry (@entries) {
2045                           # Only modify entry if it is not set to '$state'
2046                           if ($entry->get_value("FAIstate") ne "$state"){
2047                                   daemon_log("$session_id INFO: Setting FAIstate to '$state' for ".$entry->dn, 5);
2048                                   my $result;
2049                                   my %tmp = map { $_ => 1 } $entry->get_value("objectClass");
2050                                   if (exists $tmp{'FAIobject'}){
2051                                           if ($state eq ''){
2052                                                   $result= $ldap_handle->modify($entry->dn, changes => [
2053                                                           delete => [ FAIstate => [] ] ]);
2054                                           } else {
2055                                                   $result= $ldap_handle->modify($entry->dn, changes => [
2056                                                           replace => [ FAIstate => $state ] ]);
2057                                           }
2058                                   } elsif ($state ne ''){
2059                                           $result= $ldap_handle->modify($entry->dn, changes => [
2060                                                   add     => [ objectClass => 'FAIobject' ],
2061                                                   add     => [ FAIstate => $state ] ]);
2062                                   }
2063
2064                                   # Errors?
2065                                   if ($result->code){
2066                                           daemon_log("$session_id Error: Setting FAIstate to '$state' for ".$entry->dn. "failed: ".$result->error, 1);
2067                                   }
2068                           } else {
2069                                   daemon_log("$session_id DEBUG FAIstate at host '".$entry->dn."' already at state '$st'", 7);
2070                           }
2071                   }
2072           } else {
2073                 daemon_log("$session_id ERROR: LDAP search failed: ldap_base=$ldap_base, filter=$search", 1);
2074           }
2075
2076     # if no ldap handle defined
2077     } else {
2078         daemon_log("$session_id ERROR: no LDAP handle defined for update FAIstate", 1);
2079     }
2080
2081         return;
2082 }
2083
2084
2085 sub change_goto_state {
2086     my ($st, $targets, $session_id) = @_;
2087     $session_id = 0  if not defined $session_id;
2088
2089     # Switch on or off?
2090     my $state= $st eq 'active' ? 'active': 'locked';
2091
2092     my $ldap_handle = &get_ldap_handle($session_id);
2093     if( defined($ldap_handle) ) {
2094
2095       # Build search filter for hosts
2096       my $search= "(&(objectClass=GOhard)";
2097       foreach (@{$targets}){
2098         $search.= "(macAddress=$_)";
2099       }
2100       $search.= ")";
2101
2102       # If there's any host inside of the search string, procress them
2103       if (!($search =~ /macAddress/)){
2104         return;
2105       }
2106
2107       # Perform search for Unit Tag
2108       my $mesg = $ldap_handle->search(
2109           base   => $ldap_base,
2110           scope  => 'sub',
2111           attrs  => ['dn', 'gotoMode'],
2112           filter => "$search"
2113           );
2114
2115       if ($mesg->count) {
2116         my @entries = $mesg->entries;
2117         foreach my $entry (@entries) {
2118
2119           # Only modify entry if it is not set to '$state'
2120           if ($entry->get_value("gotoMode") ne $state){
2121
2122             daemon_log("$session_id INFO: Setting gotoMode to '$state' for ".$entry->dn, 5);
2123             my $result;
2124             $result= $ldap_handle->modify($entry->dn, changes => [
2125                                                 replace => [ gotoMode => $state ] ]);
2126
2127             # Errors?
2128             if ($result->code){
2129               &daemon_log("$session_id Error: Setting gotoMode to '$state' for ".$entry->dn. "failed: ".$result->error, 1);
2130             }
2131
2132           }
2133         }
2134       } else {
2135                 daemon_log("$session_id ERROR: LDAP search failed in function change_goto_state: ldap_base=$ldap_base, filter=$search", 1);
2136           }
2137
2138     }
2139 }
2140
2141
2142 sub run_recreate_packages_db {
2143     my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
2144     my $session_id = $session->ID;
2145         &main::daemon_log("$session_id INFO: Recreating FAI Packages DB ('$fai_release_tn', '$fai_server_tn', '$packages_list_tn')", 5);
2146         $kernel->yield('create_fai_release_db', $fai_release_tn);
2147         $kernel->yield('create_fai_server_db', $fai_server_tn);
2148         return;
2149 }
2150
2151
2152 sub run_create_fai_server_db {
2153     my ($kernel, $session, $heap, $table_name) = @_[KERNEL, SESSION, HEAP, ARG0];
2154     my $session_id = $session->ID;
2155     my $task = POE::Wheel::Run->new(
2156             Program => sub { &create_fai_server_db($table_name,$kernel, undef, $session_id) },
2157             StdoutEvent  => "session_run_result",
2158             StderrEvent  => "session_run_debug",
2159             CloseEvent   => "session_run_done",
2160             );
2161
2162     $heap->{task}->{ $task->ID } = $task;
2163     return;
2164 }
2165
2166
2167 sub create_fai_server_db {
2168     my ($table_name, $kernel, $dont_create_packages_list, $session_id) = @_;
2169         my $result;
2170
2171         if (not defined $session_id) { $session_id = 0; }
2172     my $ldap_handle = &get_ldap_handle();
2173         if(defined($ldap_handle)) {
2174                 daemon_log("$session_id INFO: create_fai_server_db: start", 5);
2175                 my $mesg= $ldap_handle->search(
2176                         base   => $ldap_base,
2177                         scope  => 'sub',
2178                         attrs  => ['FAIrepository', 'gosaUnitTag'],
2179                         filter => "(&(FAIrepository=*)(objectClass=FAIrepositoryServer))",
2180                 );
2181                 if($mesg->{'resultCode'} == 0 &&
2182                    $mesg->count != 0) {
2183                    foreach my $entry (@{$mesg->{entries}}) {
2184                            if($entry->exists('FAIrepository')) {
2185                                    # Add an entry for each Repository configured for server
2186                                    foreach my $repo(@{$entry->get_value('FAIrepository', asref => 1)}) {
2187                                                    my($tmp_url,$tmp_server,$tmp_release,$tmp_sections) = split(/\|/, $repo);
2188                                                    my $tmp_tag= $entry->get_value('gosaUnitTag') || "";
2189                                                    $result= $fai_server_db->add_dbentry( {
2190                                                                    table => $table_name,
2191                                                                    primkey => ['server', 'release', 'tag'],
2192                                                                    server => $tmp_url,
2193                                                                    release => $tmp_release,
2194                                                                    sections => $tmp_sections,
2195                                                                    tag => (length($tmp_tag)>0)?$tmp_tag:"",
2196                                                            } );
2197                                            }
2198                                    }
2199                            }
2200                    }
2201                 daemon_log("$session_id INFO: create_fai_server_db: finished", 5);
2202
2203                 # TODO: Find a way to post the 'create_packages_list_db' event
2204                 if(not defined($dont_create_packages_list)) {
2205                         &create_packages_list_db(undef, undef, $session_id);
2206                 }
2207         }
2208
2209     $ldap_handle->disconnect;
2210         return $result;
2211 }
2212
2213
2214 sub run_create_fai_release_db {
2215     my ($session, $heap, $table_name) = @_[SESSION, HEAP, ARG0];
2216         my $session_id = $session->ID;
2217     my $task = POE::Wheel::Run->new(
2218             Program => sub { &create_fai_release_db($table_name, $session_id) },
2219             StdoutEvent  => "session_run_result",
2220             StderrEvent  => "session_run_debug",
2221             CloseEvent   => "session_run_done",
2222             );
2223
2224     $heap->{task}->{ $task->ID } = $task;
2225     return;
2226 }
2227
2228
2229 sub create_fai_release_db {
2230         my ($table_name, $session_id) = @_;
2231         my $result;
2232
2233     # used for logging
2234     if (not defined $session_id) { $session_id = 0; }
2235
2236     my $ldap_handle = &get_ldap_handle();
2237         if(defined($ldap_handle)) {
2238                 daemon_log("$session_id INFO: create_fai_release_db: start",5);
2239                 my $mesg= $ldap_handle->search(
2240                         base   => $ldap_base,
2241                         scope  => 'sub',
2242                         attrs  => [],
2243                         filter => "(&(objectClass=organizationalUnit)(ou=fai))",
2244                 );
2245                 if($mesg->{'resultCode'} == 0 &&
2246                         $mesg->count != 0) {
2247                         # Walk through all possible FAI container ou's
2248                         my @sql_list;
2249                         my $timestamp= &get_time();
2250                         foreach my $ou (@{$mesg->{entries}}) {
2251                                 my $tmp_classes= resolve_fai_classes($ou->dn, $ldap_handle, $session_id);
2252                                 if(defined($tmp_classes) && ref($tmp_classes) eq 'HASH') {
2253                                         my @tmp_array=get_fai_release_entries($tmp_classes);
2254                                         if(@tmp_array) {
2255                                                 foreach my $entry (@tmp_array) {
2256                                                         if(defined($entry) && ref($entry) eq 'HASH') {
2257                                                                 my $sql=
2258                                                                 "INSERT INTO $table_name "
2259                                                                 ."(timestamp, release, class, type, state) VALUES ("
2260                                                                 .$timestamp.","
2261                                                                 ."'".$entry->{'release'}."',"
2262                                                                 ."'".$entry->{'class'}."',"
2263                                                                 ."'".$entry->{'type'}."',"
2264                                                                 ."'".$entry->{'state'}."')";
2265                                                                 push @sql_list, $sql;
2266                                                         }
2267                                                 }
2268                                         }
2269                                 }
2270                         }
2271
2272                         daemon_log("$session_id DEBUG: Inserting ".scalar @sql_list." entries to DB",8);
2273                         if(@sql_list) {
2274                                 unshift @sql_list, "VACUUM";
2275                                 unshift @sql_list, "DELETE FROM $table_name";
2276                                 $fai_release_db->exec_statementlist(\@sql_list);
2277                         }
2278                         daemon_log("$session_id DEBUG: Done with inserting",7);
2279                 }
2280                 daemon_log("$session_id INFO: create_fai_release_db: finished",5);
2281         }
2282     $ldap_handle->disconnect;
2283         return $result;
2284 }
2285
2286 sub get_fai_types {
2287         my $tmp_classes = shift || return undef;
2288         my @result;
2289
2290         foreach my $type(keys %{$tmp_classes}) {
2291                 if(defined($tmp_classes->{$type}[0]) && (!($tmp_classes->{$type}[0] =~ /^.*?removed.*?$/))) {
2292                         my $entry = {
2293                                 type => $type,
2294                                 state => $tmp_classes->{$type}[0],
2295                         };
2296                         push @result, $entry;
2297                 }
2298         }
2299
2300         return @result;
2301 }
2302
2303 sub get_fai_state {
2304         my $result = "";
2305         my $tmp_classes = shift || return $result;
2306
2307         foreach my $type(keys %{$tmp_classes}) {
2308                 if(defined($tmp_classes->{$type}[0])) {
2309                         $result = $tmp_classes->{$type}[0];
2310
2311                 # State is equal for all types in class
2312                         last;
2313                 }
2314         }
2315
2316         return $result;
2317 }
2318
2319 sub resolve_fai_classes {
2320         my ($fai_base, $ldap_handle, $session_id) = @_;
2321         if (not defined $session_id) { $session_id = 0; }
2322         my $result;
2323         my @possible_fai_classes= ("FAIscript", "FAIhook", "FAIpartitionTable", "FAItemplate", "FAIvariable", "FAIprofile", "FAIpackageList");
2324         my $fai_filter= "(|(&(objectClass=FAIclass)(|(objectClass=".join(")(objectClass=", @possible_fai_classes).")))(objectClass=FAIbranch))";
2325         my $fai_classes;
2326
2327         daemon_log("$session_id DEBUG: Searching for FAI entries in base $fai_base",7);
2328         my $mesg= $ldap_handle->search(
2329                 base   => $fai_base,
2330                 scope  => 'sub',
2331                 attrs  => ['cn','objectClass','FAIstate'],
2332                 filter => $fai_filter,
2333         );
2334         daemon_log("$session_id DEBUG: Found ".$mesg->count()." FAI entries",7);
2335
2336         if($mesg->{'resultCode'} == 0 &&
2337                 $mesg->count != 0) {
2338                 foreach my $entry (@{$mesg->{entries}}) {
2339                         if($entry->exists('cn')) {
2340                                 my $tmp_dn= $entry->dn();
2341
2342                                 # Skip classname and ou dn parts for class
2343                                 my $tmp_release = ($1) if $tmp_dn =~ /^[^,]+,[^,]+,(.*?),$fai_base$/;
2344
2345                                 # Skip classes without releases
2346                                 if((!defined($tmp_release)) || length($tmp_release)==0) {
2347                                         next;
2348                                 }
2349
2350                                 my $tmp_cn= $entry->get_value('cn');
2351                                 my $tmp_state= $entry->get_value('FAIstate');
2352
2353                                 my $tmp_type;
2354                                 # Get FAI type
2355                                 for my $oclass(@{$entry->get_value('objectClass', asref => 1)}) {
2356                                         if(grep $_ eq $oclass, @possible_fai_classes) {
2357                                                 $tmp_type= $oclass;
2358                                                 last;
2359                                         }
2360                                 }
2361
2362                                 if($tmp_release =~ /^.*?,.*?$/ && (!($tmp_release =~ /^.*?\\,.*?$/))) {
2363                                         # A Subrelease
2364                                         my @sub_releases = split(/,/, $tmp_release);
2365
2366                                         # Walk through subreleases and build hash tree
2367                                         my $hash;
2368                                         while(my $tmp_sub_release = pop @sub_releases) {
2369                                                 $hash .= "\{'$tmp_sub_release'\}->";
2370                                         }
2371                                         eval('push @{$fai_classes->'.$hash.'{$tmp_cn}->{$tmp_type}}, (defined($tmp_state) && length($tmp_state)>0)?$tmp_state:"";');
2372                                 } else {
2373                                         # A branch, no subrelease
2374                                         push @{$fai_classes->{$tmp_release}->{$tmp_cn}->{$tmp_type}}, (defined($tmp_state) && length($tmp_state)>0)?$tmp_state:"";
2375                                 }
2376                         } elsif (!$entry->exists('cn')) {
2377                                 my $tmp_dn= $entry->dn();
2378                                 my $tmp_release = ($1) if $tmp_dn =~ /^(.*?),$fai_base$/;
2379
2380                                 # Skip classes without releases
2381                                 if((!defined($tmp_release)) || length($tmp_release)==0) {
2382                                         next;
2383                                 }
2384
2385                                 if($tmp_release =~ /^.*?,.*?$/ && (!($tmp_release =~ /^.*?\\,.*?$/))) {
2386                                         # A Subrelease
2387                                         my @sub_releases= split(/,/, $tmp_release);
2388
2389                                         # Walk through subreleases and build hash tree
2390                                         my $hash;
2391                                         while(my $tmp_sub_release = pop @sub_releases) {
2392                                                 $hash .= "\{'$tmp_sub_release'\}->";
2393                                         }
2394                                         # Remove the last two characters
2395                                         chop($hash);
2396                                         chop($hash);
2397
2398                                         eval('$fai_classes->'.$hash.'= {}');
2399                                 } else {
2400                                         # A branch, no subrelease
2401                                         if(!exists($fai_classes->{$tmp_release})) {
2402                                                 $fai_classes->{$tmp_release} = {};
2403                                         }
2404                                 }
2405                         }
2406                 }
2407
2408                 # The hash is complete, now we can honor the copy-on-write based missing entries
2409                 foreach my $release (keys %$fai_classes) {
2410                         $result->{$release}= deep_copy(apply_fai_inheritance($fai_classes->{$release}));
2411                 }
2412         }
2413         return $result;
2414 }
2415
2416 sub apply_fai_inheritance {
2417        my $fai_classes = shift || return {};
2418        my $tmp_classes;
2419
2420        # Get the classes from the branch
2421        foreach my $class (keys %{$fai_classes}) {
2422                # Skip subreleases
2423                if($class =~ /^ou=.*$/) {
2424                        next;
2425                } else {
2426                        $tmp_classes->{$class}= deep_copy($fai_classes->{$class});
2427                }
2428        }
2429
2430        # Apply to each subrelease
2431        foreach my $subrelease (keys %{$fai_classes}) {
2432                if($subrelease =~ /ou=/) {
2433                        foreach my $tmp_class (keys %{$tmp_classes}) {
2434                                if(!exists($fai_classes->{$subrelease}->{$tmp_class})) {
2435                                        $fai_classes->{$subrelease}->{$tmp_class} =
2436                                        deep_copy($tmp_classes->{$tmp_class});
2437                                } else {
2438                                        foreach my $type (keys %{$tmp_classes->{$tmp_class}}) {
2439                                                if(!exists($fai_classes->{$subrelease}->{$tmp_class}->{$type})) {
2440                                                        $fai_classes->{$subrelease}->{$tmp_class}->{$type}=
2441                                                        deep_copy($tmp_classes->{$tmp_class}->{$type});
2442                                                }
2443                                        }
2444                                }
2445                        }
2446                }
2447        }
2448
2449        # Find subreleases in deeper levels
2450        foreach my $subrelease (keys %{$fai_classes}) {
2451                if($subrelease =~ /ou=/) {
2452                        foreach my $subsubrelease (keys %{$fai_classes->{$subrelease}}) {
2453                                if($subsubrelease =~ /ou=/) {
2454                                        apply_fai_inheritance($fai_classes->{$subrelease});
2455                                }
2456                        }
2457                }
2458        }
2459
2460        return $fai_classes;
2461 }
2462
2463 sub get_fai_release_entries {
2464         my $tmp_classes = shift || return;
2465         my $parent = shift || "";
2466         my @result = shift || ();
2467
2468         foreach my $entry (keys %{$tmp_classes}) {
2469                 if(defined($entry)) {
2470                         if($entry =~ /^ou=.*$/) {
2471                                 my $release_name = $entry;
2472                                 $release_name =~ s/ou=//g;
2473                                 if(length($parent)>0) {
2474                                         $release_name = $parent."/".$release_name;
2475                                 }
2476                                 my @bufentries = get_fai_release_entries($tmp_classes->{$entry}, $release_name, @result);
2477                                 foreach my $bufentry(@bufentries) {
2478                                         push @result, $bufentry;
2479                                 }
2480                         } else {
2481                                 my @types = get_fai_types($tmp_classes->{$entry});
2482                                 foreach my $type (@types) {
2483                                         push @result,
2484                                         {
2485                                                 'class' => $entry,
2486                                                 'type' => $type->{'type'},
2487                                                 'release' => $parent,
2488                                                 'state' => $type->{'state'},
2489                                         };
2490                                 }
2491                         }
2492                 }
2493         }
2494
2495         return @result;
2496 }
2497
2498 sub deep_copy {
2499         my $this = shift;
2500         if (not ref $this) {
2501                 $this;
2502         } elsif (ref $this eq "ARRAY") {
2503                 [map deep_copy($_), @$this];
2504         } elsif (ref $this eq "HASH") {
2505                 +{map { $_ => deep_copy($this->{$_}) } keys %$this};
2506         } else { die "what type is $_?" }
2507 }
2508
2509
2510 sub session_run_result {
2511     my ($kernel, $heap, $client_answer) = @_[KERNEL, HEAP, ARG0];
2512     $kernel->sig(CHLD => "child_reap");
2513 }
2514
2515 sub session_run_debug {
2516     my $result = $_[ARG0];
2517     print STDERR "$result\n";
2518 }
2519
2520 sub session_run_done {
2521     my ( $kernel, $heap, $task_id ) = @_[ KERNEL, HEAP, ARG0 ];
2522     delete $heap->{task}->{$task_id};
2523 }
2524
2525
2526 sub create_sources_list {
2527         my $session_id = shift;
2528         my $ldap_handle = &main::get_ldap_handle;
2529         my $result="/tmp/gosa_si_tmp_sources_list";
2530
2531         # Remove old file
2532         if(stat($result)) {
2533                 unlink($result);
2534                 &main::daemon_log("$session_id DEBUG: remove an old version of '$result'", 7);
2535         }
2536
2537         my $fh;
2538         open($fh, ">$result");
2539         if (not defined $fh) {
2540                 &main::daemon_log("$session_id DEBUG: cannot open '$result' for writing", 7);
2541                 return undef;
2542         }
2543         if(defined($main::ldap_server_dn) and length($main::ldap_server_dn) > 0) {
2544                 my $mesg=$ldap_handle->search(
2545                         base    => $main::ldap_server_dn,
2546                         scope   => 'base',
2547                         attrs   => 'FAIrepository',
2548                         filter  => 'objectClass=FAIrepositoryServer'
2549                 );
2550                 if($mesg->count) {
2551                         foreach my $entry(@{$mesg->{'entries'}}) {
2552                                 foreach my $value(@{$entry->get_value('FAIrepository', asref => 1)}) {
2553                                         my ($server, $tag, $release, $sections)= split /\|/, $value;
2554                                         my $line = "deb $server $release";
2555                                         $sections =~ s/,/ /g;
2556                                         $line.= " $sections";
2557                                         print $fh $line."\n";
2558                                 }
2559                         }
2560                 }
2561         } else {
2562                 if (defined $main::ldap_server_dn){
2563                         &main::daemon_log("$session_id ERROR: something wrong with ldap_server_dn '$main::ldap_server_dn', abort create_sources_list", 1);
2564                 } else {
2565                         &main::daemon_log("$session_id ERROR: no ldap_server_dn found, abort create_sources_list", 1);
2566                 }
2567         }
2568         close($fh);
2569
2570         return $result;
2571 }
2572
2573
2574 sub run_create_packages_list_db {
2575     my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];
2576         my $session_id = $session->ID;
2577
2578         my $task = POE::Wheel::Run->new(
2579                                         Priority => +20,
2580                                         Program => sub {&create_packages_list_db(undef, undef, $session_id)},
2581                                         StdoutEvent  => "session_run_result",
2582                                         StderrEvent  => "session_run_debug",
2583                                         CloseEvent   => "session_run_done",
2584                                         );
2585         $heap->{task}->{ $task->ID } = $task;
2586 }
2587
2588
2589 sub create_packages_list_db {
2590         my ($ldap_handle, $sources_file, $session_id) = @_;
2591
2592         # it should not be possible to trigger a recreation of packages_list_db
2593         # while packages_list_db is under construction, so set flag packages_list_under_construction
2594         # which is tested befor recreation can be started
2595         if (-r $packages_list_under_construction) {
2596                 daemon_log("$session_id WARNING: packages_list_db is right now under construction, please wait until this process is finished", 3);
2597                 return;
2598         } else {
2599                 daemon_log("$session_id INFO: create_packages_list_db: start", 5);
2600                 # set packages_list_under_construction to true
2601                 system("touch $packages_list_under_construction");
2602                 @packages_list_statements=();
2603         }
2604
2605         if (not defined $session_id) { $session_id = 0; }
2606         if (not defined $ldap_handle) {
2607                 $ldap_handle= &get_ldap_handle();
2608
2609                 if (not defined $ldap_handle) {
2610                         daemon_log("$session_id ERROR: no ldap_handle available to create_packages_list_db", 1);
2611                         unlink($packages_list_under_construction);
2612                         return;
2613                 }
2614         }
2615         if (not defined $sources_file) {
2616                 &main::daemon_log("$session_id INFO: no sources_file given for creating packages list so trigger creation of it", 5);
2617                 $sources_file = &create_sources_list($session_id);
2618         }
2619
2620         if (not defined $sources_file) {
2621                 &main::daemon_log("$session_id ERROR: no sources_file given under '$sources_file', skip create_packages_list_db", 1);
2622                 unlink($packages_list_under_construction);
2623                 return;
2624         }
2625
2626         my $line;
2627
2628         open(CONFIG, "<$sources_file") or do {
2629                 daemon_log( "$session_id ERROR: create_packages_list_db: Failed to open '$sources_file'", 1);
2630                 unlink($packages_list_under_construction);
2631                 return;
2632         };
2633
2634         # Read lines
2635         while ($line = <CONFIG>){
2636                 # Unify
2637                 chop($line);
2638                 $line =~ s/^\s+//;
2639                 $line =~ s/^\s+/ /;
2640
2641                 # Strip comments
2642                 $line =~ s/#.*$//g;
2643
2644                 # Skip empty lines
2645                 if ($line =~ /^\s*$/){
2646                         next;
2647                 }
2648
2649                 # Interpret deb line
2650                 if ($line =~ /^deb [^\s]+\s[^\s]+\s[^\s]+/){
2651                         my( $baseurl, $dist, $sections ) = ($line =~ /^deb\s([^\s]+)\s+([^\s]+)\s+(.*)$/);
2652                         my $section;
2653                         foreach $section (split(' ', $sections)){
2654                                 &parse_package_info( $baseurl, $dist, $section, $session_id );
2655                         }
2656                 }
2657         }
2658
2659         close (CONFIG);
2660
2661
2662         find(\&cleanup_and_extract, keys( %repo_dirs ));
2663         &main::strip_packages_list_statements();
2664         unshift @packages_list_statements, "VACUUM";
2665         $packages_list_db->exec_statementlist(\@packages_list_statements);
2666         unlink($packages_list_under_construction);
2667         daemon_log("$session_id INFO: create_packages_list_db: finished", 5);
2668         return;
2669 }
2670
2671 # This function should do some intensive task to minimize the db-traffic
2672 sub strip_packages_list_statements {
2673     my @existing_entries= @{$packages_list_db->exec_statement("SELECT * FROM $main::packages_list_tn")};
2674         my @new_statement_list=();
2675         my $hash;
2676         my $insert_hash;
2677         my $update_hash;
2678         my $delete_hash;
2679         my $local_timestamp=get_time();
2680
2681         foreach my $existing_entry (@existing_entries) {
2682                 $hash->{@{$existing_entry}[0]}->{@{$existing_entry}[1]}->{@{$existing_entry}[2]}= $existing_entry;
2683         }
2684
2685         foreach my $statement (@packages_list_statements) {
2686                 if($statement =~ /^INSERT/i) {
2687                         # Assign the values from the insert statement
2688                         my ($distribution,$package,$version,$section,$description,$template,$timestamp) = ($1,$2,$3,$4,$5,$6,$7) if $statement =~
2689                         /^INSERT\s+?INTO\s+?$main::packages_list_tn\s+?VALUES\s*?\('(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)',\s*?'(.*?)'\s*?\)$/si;
2690                         if(exists($hash->{$distribution}->{$package}->{$version})) {
2691                                 # If section or description has changed, update the DB
2692                                 if(
2693                                         (! (@{$hash->{$distribution}->{$package}->{$version}}[3] eq $section)) or
2694                                         (! (@{$hash->{$distribution}->{$package}->{$version}}[4] eq $description))
2695                                 ) {
2696                                         @{$update_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,undef);
2697                                 }
2698                         } else {
2699                                 # Insert a non-existing entry to db
2700                                 @{$insert_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,$template);
2701                         }
2702                 } elsif ($statement =~ /^UPDATE/i) {
2703                         my ($template,$package,$version) = ($1,$2,$3) if $statement =~
2704                         /^update\s+?$main::packages_list_tn\s+?set\s+?template\s*?=\s*?'(.*?)'\s+?where\s+?package\s*?=\s*?'(.*?)'\s+?and\s+?version\s*?=\s*?'(.*?)'\s*?;$/si;
2705                         foreach my $distribution (keys %{$hash}) {
2706                                 if(exists($insert_hash->{$distribution}->{$package}->{$version})) {
2707                                         # update the insertion hash to execute only one query per package (insert instead insert+update)
2708                                         @{$insert_hash->{$distribution}->{$package}->{$version}}[5]= $template;
2709                                 } elsif(exists($hash->{$distribution}->{$package}->{$version})) {
2710                                         if( ! (@{$hash->{$distribution}->{$package}->{$version}}[5] eq $template)) {
2711                                                 my $section;
2712                                                 my $description;
2713                                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[3]) and
2714                                                         length(@{$update_hash->{$distribution}->{$package}->{$version}}[3]) > 0 ) {
2715                                                         $section= @{$update_hash->{$distribution}->{$package}->{$version}}[3];
2716                                                 }
2717                                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[4])) {
2718                                                         $description= @{$update_hash->{$distribution}->{$package}->{$version}}[4];
2719                                                 }
2720                                                 @{$update_hash->{$distribution}->{$package}->{$version}} = ($distribution,$package,$version,$section,$description,$template);
2721                                         }
2722                                 }
2723                         }
2724                 }
2725         }
2726
2727         # TODO: Check for orphaned entries
2728
2729         # unroll the insert_hash
2730         foreach my $distribution (keys %{$insert_hash}) {
2731                 foreach my $package (keys %{$insert_hash->{$distribution}}) {
2732                         foreach my $version (keys %{$insert_hash->{$distribution}->{$package}}) {
2733                                 push @new_statement_list, "INSERT INTO $main::packages_list_tn VALUES ('$distribution','$package','$version',"
2734                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[3]',"
2735                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[4]',"
2736                                 ."'@{$insert_hash->{$distribution}->{$package}->{$version}}[5]',"
2737                                 ."'$local_timestamp')";
2738                         }
2739                 }
2740         }
2741
2742         # unroll the update hash
2743         foreach my $distribution (keys %{$update_hash}) {
2744                 foreach my $package (keys %{$update_hash->{$distribution}}) {
2745                         foreach my $version (keys %{$update_hash->{$distribution}->{$package}}) {
2746                                 my $set = "";
2747                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[3])) {
2748                                         $set .= "section = '@{$update_hash->{$distribution}->{$package}->{$version}}[3]', ";
2749                                 }
2750                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[4])) {
2751                                         $set .= "description = '@{$update_hash->{$distribution}->{$package}->{$version}}[4]', ";
2752                                 }
2753                                 if(defined(@{$update_hash->{$distribution}->{$package}->{$version}}[5])) {
2754                                         $set .= "template = '@{$update_hash->{$distribution}->{$package}->{$version}}[5]', ";
2755                                 }
2756                                 if(defined($set) and length($set) > 0) {
2757                                         $set .= "timestamp = '$local_timestamp'";
2758                                 } else {
2759                                         next;
2760                                 }
2761                                 push @new_statement_list,
2762                                         "UPDATE $main::packages_list_tn SET $set WHERE"
2763                                         ." distribution = '$distribution'"
2764                                         ." AND package = '$package'"
2765                                         ." AND version = '$version'";
2766                         }
2767                 }
2768         }
2769
2770         @packages_list_statements = @new_statement_list;
2771 }
2772
2773
2774 sub parse_package_info {
2775     my ($baseurl, $dist, $section, $session_id)= @_;
2776     my ($package);
2777     if (not defined $session_id) { $session_id = 0; }
2778     my ($path) = ($baseurl =~ m%://[^/]*(.*)$%);
2779     $repo_dirs{ "${repo_path}/pool" } = 1;
2780
2781     foreach $package ("Packages.gz"){
2782         daemon_log("$session_id DEBUG: create_packages_list: fetch $baseurl, $dist, $section", 7);
2783         get_package( "$baseurl/dists/$dist/$section/binary-$arch/$package", "$outdir/$dist/$section", $session_id );
2784         parse_package( "$outdir/$dist/$section", $dist, $path, $session_id );
2785     }
2786
2787 }
2788
2789
2790 sub get_package {
2791     my ($url, $dest, $session_id)= @_;
2792     if (not defined $session_id) { $session_id = 0; }
2793
2794     my $tpath = dirname($dest);
2795     -d "$tpath" || mkpath "$tpath";
2796
2797     # This is ugly, but I've no time to take a look at "how it works in perl"
2798     if(0 == system("wget '$url' -O '$dest' 2>/dev/null") ) {
2799         system("gunzip -cd '$dest' > '$dest.in'");
2800         daemon_log("$session_id DEBUG: run command: gunzip -cd '$dest' > '$dest.in'", 5);
2801         unlink($dest);
2802         daemon_log("$session_id DEBUG: delete file '$dest'", 5);
2803     } else {
2804         daemon_log("$session_id ERROR: create_packages_list_db: get_packages: fetching '$url' failed!", 1);
2805     }
2806     return 0;
2807 }
2808
2809
2810 sub parse_package {
2811     my ($path, $dist, $srv_path, $session_id)= @_;
2812     if (not defined $session_id) { $session_id = 0;}
2813     my ($package, $version, $section, $description);
2814     my $PACKAGES;
2815     my $timestamp = &get_time();
2816
2817     if(not stat("$path.in")) {
2818         daemon_log("$session_id ERROR: create_packages_list: parse_package: file '$path.in' is not readable",1);
2819         return;
2820     }
2821
2822     open($PACKAGES, "<$path.in");
2823     if(not defined($PACKAGES)) {
2824         daemon_log("$session_id ERROR: create_packages_list_db: parse_package: cannot open '$path.in'",1);
2825         return;
2826     }
2827
2828     # Read lines
2829     while (<$PACKAGES>){
2830         my $line = $_;
2831         # Unify
2832         chop($line);
2833
2834         # Use empty lines as a trigger
2835         if ($line =~ /^\s*$/){
2836             my $sql = "INSERT INTO packages_list VALUES ('$dist', '$package', '$version', '$section', '$description', '', '$timestamp')";
2837             push(@packages_list_statements, $sql);
2838             $package = "none";
2839             $version = "none";
2840             $section = "none";
2841             $description = "none";
2842             next;
2843         }
2844
2845         # Trigger for package name
2846         if ($line =~ /^Package:\s/){
2847             ($package)= ($line =~ /^Package: (.*)$/);
2848             next;
2849         }
2850
2851         # Trigger for version
2852         if ($line =~ /^Version:\s/){
2853             ($version)= ($line =~ /^Version: (.*)$/);
2854             next;
2855         }
2856
2857         # Trigger for description
2858         if ($line =~ /^Description:\s/){
2859             ($description)= &encode_base64(($line =~ /^Description: (.*)$/));
2860             next;
2861         }
2862
2863         # Trigger for section
2864         if ($line =~ /^Section:\s/){
2865             ($section)= ($line =~ /^Section: (.*)$/);
2866             next;
2867         }
2868
2869         # Trigger for filename
2870         if ($line =~ /^Filename:\s/){
2871             my ($filename) = ($line =~ /^Filename: (.*)$/);
2872             store_fileinfo( $package, $filename, $dist, $srv_path, $version, $repo_path );
2873             next;
2874         }
2875     }
2876
2877     close( $PACKAGES );
2878     unlink( "$path.in" );
2879 }
2880
2881
2882 sub store_fileinfo {
2883     my( $package, $file, $dist, $path, $vers, $srvdir) = @_;
2884
2885     my %fileinfo = (
2886         'package' => $package,
2887         'dist' => $dist,
2888         'version' => $vers,
2889     );
2890
2891     $repo_files{ "${srvdir}/$file" } = \%fileinfo;
2892 }
2893
2894
2895 sub cleanup_and_extract {
2896     my $fileinfo = $repo_files{ $File::Find::name };
2897
2898     if( defined $fileinfo ) {
2899
2900         my $dir = "$outdir/$fileinfo->{ 'dist' }/debconf.d";
2901         my $sql;
2902         my $package = $fileinfo->{ 'package' };
2903         my $newver = $fileinfo->{ 'version' };
2904
2905         mkpath($dir);
2906         system( "dpkg -e '$File::Find::name' '$dir/DEBIAN'" );
2907
2908                 if( -f "$dir/DEBIAN/templates" ) {
2909
2910                         daemon_log("DEBUG: Found debconf templates in '$package' - $newver", 7);
2911
2912                         my $tmpl= "";
2913                         {
2914                                 local $/=undef;
2915                                 open FILE, "$dir/DEBIAN/templates";
2916                                 $tmpl = &encode_base64(<FILE>);
2917                                 close FILE;
2918                         }
2919                         rmtree("$dir/DEBIAN/templates");
2920
2921                         $sql= "update $main::packages_list_tn set template = '$tmpl' where package = '$package' and version = '$newver';";
2922                 push @packages_list_statements, $sql;
2923                 }
2924     }
2925
2926     return;
2927 }
2928
2929
2930 sub register_at_foreign_servers {
2931     my ($kernel) = $_[KERNEL];
2932
2933     # hole alle bekannten server aus known_server_db
2934     my $server_sql = "SELECT * FROM $known_server_tn";
2935     my $server_res = $known_server_db->exec_statement($server_sql);
2936
2937     # no entries in known_server_db
2938     if (not ref(@$server_res[0]) eq "ARRAY") {
2939         # TODO
2940     }
2941
2942     # detect already connected clients
2943     my $client_sql = "SELECT * FROM $known_clients_tn";
2944     my $client_res = $known_clients_db->exec_statement($client_sql);
2945
2946     # send my server details to all other gosa-si-server within the network
2947     foreach my $hit (@$server_res) {
2948         my $hostname = @$hit[0];
2949         my $hostkey = &create_passwd;
2950
2951         # add already connected clients to registration message
2952         my $myhash = &create_xml_hash('new_server', $server_address, $hostname);
2953         &add_content2xml_hash($myhash, 'key', $hostkey);
2954         map(&add_content2xml_hash($myhash, 'client', @{$_}[0].",".@{$_}[4]), @$client_res);
2955
2956         # build registration message and send it
2957         my $foreign_server_msg = &create_xml_string($myhash);
2958         my $error = &send_msg_to_target($foreign_server_msg, $hostname, $ServerPackages_key, "new_server", 0);
2959     }
2960
2961     $kernel->delay_set("register_at_foreign_servers", $foreign_servers_register_delay);
2962     return;
2963 }
2964
2965
2966 #==== MAIN = main ==============================================================
2967 #  parse commandline options
2968 Getopt::Long::Configure( "bundling" );
2969 GetOptions("h|help" => \&usage,
2970         "c|config=s" => \$cfg_file,
2971         "f|foreground" => \$foreground,
2972         "v|verbose+" => \$verbose,
2973         "no-arp+" => \$no_arp,
2974            );
2975
2976 #  read and set config parameters
2977 &check_cmdline_param ;
2978 &read_configfile($cfg_file, %cfg_defaults);
2979 &check_pid;
2980
2981 $SIG{CHLD} = 'IGNORE';
2982
2983 # forward error messages to logfile
2984 if( ! $foreground ) {
2985   open( STDIN,  '+>/dev/null' );
2986   open( STDOUT, '+>&STDIN'    );
2987   open( STDERR, '+>&STDIN'    );
2988 }
2989
2990 # Just fork, if we are not in foreground mode
2991 if( ! $foreground ) {
2992     chdir '/'                 or die "Can't chdir to /: $!";
2993     $pid = fork;
2994     setsid                    or die "Can't start a new session: $!";
2995     umask 0;
2996 } else {
2997     $pid = $$;
2998 }
2999
3000 # Do something useful - put our PID into the pid_file
3001 if( 0 != $pid ) {
3002     open( LOCK_FILE, ">$pid_file" );
3003     print LOCK_FILE "$pid\n";
3004     close( LOCK_FILE );
3005     if( !$foreground ) {
3006         exit( 0 )
3007     };
3008 }
3009
3010 # parse head url and revision from svn
3011 my $server_status_hash = { 'developmental'=>'revision', 'stable'=>'release'};
3012 $server_version =~ /^\$HeadURL: (\S+) \$:\$Rev: (\d+) \$$/;
3013 $server_headURL = defined $1 ? $1 : 'unknown' ;
3014 $server_revision = defined $2 ? $2 : 'unknown' ;
3015 if ($server_headURL =~ /\/tag\// ||
3016         $server_headURL =~ /\/branches\// ) {
3017     $server_status = "stable";
3018 } else {
3019     $server_status = "developmental" ;
3020 }
3021
3022
3023 daemon_log(" ", 1);
3024 daemon_log("$0 started!", 1);
3025 daemon_log("status: $server_status", 1);
3026 daemon_log($server_status_hash->{$server_status}.": $server_revision", 1);
3027
3028 # connect to incoming_db
3029 unlink($incoming_file_name);
3030 $incoming_db = GOSA::DBsqlite->new($incoming_file_name);
3031 $incoming_db->create_table($incoming_tn, \@incoming_col_names);
3032
3033 # connect to gosa-si job queue
3034 $job_db = GOSA::DBsqlite->new($job_queue_file_name);
3035 $job_db->create_table($job_queue_tn, \@job_queue_col_names);
3036
3037 # connect to known_clients_db
3038 $known_clients_db = GOSA::DBsqlite->new($known_clients_file_name);
3039 $known_clients_db->create_table($known_clients_tn, \@known_clients_col_names);
3040
3041 # connect to foreign_clients_db
3042 $foreign_clients_db = GOSA::DBsqlite->new($foreign_clients_file_name);
3043 $foreign_clients_db->create_table($foreign_clients_tn, \@foreign_clients_col_names);
3044
3045 # connect to known_server_db
3046 unlink($known_server_file_name);
3047 $known_server_db = GOSA::DBsqlite->new($known_server_file_name);
3048 $known_server_db->create_table($known_server_tn, \@known_server_col_names);
3049
3050 # connect to login_usr_db
3051 $login_users_db = GOSA::DBsqlite->new($login_users_file_name);
3052 $login_users_db->create_table($login_users_tn, \@login_users_col_names);
3053
3054 # connect to fai_server_db and fai_release_db
3055 unlink($fai_server_file_name);
3056 $fai_server_db = GOSA::DBsqlite->new($fai_server_file_name);
3057 $fai_server_db->create_table($fai_server_tn, \@fai_server_col_names);
3058
3059 unlink($fai_release_file_name);
3060 $fai_release_db = GOSA::DBsqlite->new($fai_release_file_name);
3061 $fai_release_db->create_table($fai_release_tn, \@fai_release_col_names);
3062
3063 # connect to packages_list_db
3064 #unlink($packages_list_file_name);
3065 unlink($packages_list_under_construction);
3066 $packages_list_db = GOSA::DBsqlite->new($packages_list_file_name);
3067 $packages_list_db->create_table($packages_list_tn, \@packages_list_col_names);
3068
3069 # connect to messaging_db
3070 $messaging_db = GOSA::DBsqlite->new($messaging_file_name);
3071 $messaging_db->create_table($messaging_tn, \@messaging_col_names);
3072
3073
3074 # create xml object used for en/decrypting
3075 $xml = new XML::Simple();
3076
3077
3078 # foreign servers
3079 my @foreign_server_list;
3080
3081 # add foreign server from cfg file
3082 if ($foreign_server_string ne "") {
3083     my @cfg_foreign_server_list = split(",", $foreign_server_string);
3084     foreach my $foreign_server (@cfg_foreign_server_list) {
3085         push(@foreign_server_list, $foreign_server);
3086     }
3087 }
3088
3089 # add foreign server from dns
3090 my @tmp_servers;
3091 if ( !$server_domain) {
3092     # Try our DNS Searchlist
3093     for my $domain(get_dns_domains()) {
3094         chomp($domain);
3095         my @tmp_domains= &get_server_addresses($domain);
3096         if(@tmp_domains) {
3097             for my $tmp_server(@tmp_domains) {
3098                 push @tmp_servers, $tmp_server;
3099             }
3100         }
3101     }
3102     if(@tmp_servers && length(@tmp_servers)==0) {
3103         daemon_log("0 WARNING: no foreign gosa-si-server found in DNS for domain '$server_domain'", 3);
3104     }
3105 } else {
3106     @tmp_servers = &get_server_addresses($server_domain);
3107     if( 0 == @tmp_servers ) {
3108         daemon_log("0 WARNING: no foreign gosa-si-server found in DNS for domain '$server_domain'", 3);
3109     }
3110 }
3111 foreach my $server (@tmp_servers) {
3112     unshift(@foreign_server_list, $server);
3113 }
3114 # eliminate duplicate entries
3115 @foreign_server_list = &del_doubles(@foreign_server_list);
3116 my $all_foreign_server = join(", ", @foreign_server_list);
3117 daemon_log("0 INFO: found foreign server in config file and DNS: $all_foreign_server", 5);
3118
3119 # add all found foreign servers to known_server
3120 my $act_timestamp = &get_time();
3121 foreach my $foreign_server (@foreign_server_list) {
3122
3123         # do not add myself to known_server_db
3124         if (&is_local($foreign_server)) { next; }
3125         ######################################
3126
3127     my $res = $known_server_db->add_dbentry( {table=>$known_server_tn,
3128             primkey=>['hostname'],
3129             hostname=>$foreign_server,
3130             status=>'not_jet_registered',
3131             hostkey=>"none",
3132             timestamp=>$act_timestamp,
3133             } );
3134 }
3135
3136
3137 # Import all modules
3138 &import_modules;
3139
3140 # Check wether all modules are gosa-si valid passwd check
3141 &password_check;
3142
3143 # Prepare for using Opsi
3144 if ($opsi_enabled eq "true") {
3145     use JSON::RPC::Client;
3146     use XML::Quote qw(:all);
3147     $opsi_url= "https://".$opsi_admin.":".$opsi_password."@".$opsi_server.":4447/rpc";
3148     $opsi_client = new JSON::RPC::Client;
3149 }
3150
3151
3152 POE::Component::Server::TCP->new(
3153     Alias => "TCP_SERVER",
3154         Port => $server_port,
3155         ClientInput => sub {
3156         my ($kernel, $input) = @_[KERNEL, ARG0];
3157         push(@tasks, $input);
3158         push(@msgs_to_decrypt, $input);
3159         $kernel->yield("msg_to_decrypt");
3160         },
3161     InlineStates => {
3162         msg_to_decrypt => \&msg_to_decrypt,
3163         next_task => \&next_task,
3164         task_result => \&handle_task_result,
3165         task_done   => \&handle_task_done,
3166         task_debug  => \&handle_task_debug,
3167         child_reap => sub { "Do nothing special. I'm just a comment, but i'm necessary!"  },
3168     }
3169 );
3170
3171 daemon_log("start socket for incoming xml messages at port '$server_port' ", 1);
3172
3173 # create session for repeatedly checking the job queue for jobs
3174 POE::Session->create(
3175         inline_states => {
3176                 _start => \&session_start,
3177         register_at_foreign_servers => \&register_at_foreign_servers,
3178         sig_handler => \&sig_handler,
3179         next_task => \&next_task,
3180         task_result => \&handle_task_result,
3181         task_done   => \&handle_task_done,
3182         task_debug  => \&handle_task_debug,
3183         watch_for_next_tasks => \&watch_for_next_tasks,
3184         watch_for_new_messages => \&watch_for_new_messages,
3185         watch_for_delivery_messages => \&watch_for_delivery_messages,
3186         watch_for_done_messages => \&watch_for_done_messages,
3187                 watch_for_new_jobs => \&watch_for_new_jobs,
3188         watch_for_modified_jobs => \&watch_for_modified_jobs,
3189         watch_for_done_jobs => \&watch_for_done_jobs,
3190         watch_for_opsi_jobs => \&watch_for_opsi_jobs,
3191         watch_for_old_known_clients => \&watch_for_old_known_clients,
3192         create_packages_list_db => \&run_create_packages_list_db,
3193         create_fai_server_db => \&run_create_fai_server_db,
3194         create_fai_release_db => \&run_create_fai_release_db,
3195                 recreate_packages_db => \&run_recreate_packages_db,
3196         session_run_result => \&session_run_result,
3197         session_run_debug => \&session_run_debug,
3198         session_run_done => \&session_run_done,
3199         child_reap => sub { "Do nothing special. I'm just a comment, but i'm necessary!"  },
3200         }
3201 );
3202
3203
3204 POE::Kernel->run();
3205 exit;
3206